Home / 3,010.09-4,515.14-1,277.59

Finding the Fourth Proportional to 3,010.09, 4,515.14 and 1,277.59

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Solution

The fourth proportional to 3,010.09, 4,515.14 and 1,277.59 is: 1,916.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.09 : 4,515.14 = 1,277.59 : x
  2. Step 2: Convert to fraction form
    3,010.09/4,515.14 = 1,277.59/x
  3. Step 3: Cross multiply
    3,010.09x = 4,515.14 × 1,277.59
  4. Step 4: Simplify right side
    3,010.09x = 5,768,497.71
  5. Step 5: Solve for x
    x = 5,768,497.71/3,010.09
  6. Step 6: Final answer
    x = 1,916.39

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.