Home / 3,010.34-4,515.51-1,277.75

Finding the Fourth Proportional to 3,010.34, 4,515.51 and 1,277.75

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Solution

The fourth proportional to 3,010.34, 4,515.51 and 1,277.75 is: 1,916.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.34 : 4,515.51 = 1,277.75 : x
  2. Step 2: Convert to fraction form
    3,010.34/4,515.51 = 1,277.75/x
  3. Step 3: Cross multiply
    3,010.34x = 4,515.51 × 1,277.75
  4. Step 4: Simplify right side
    3,010.34x = 5,769,692.90
  5. Step 5: Solve for x
    x = 5,769,692.90/3,010.34
  6. Step 6: Final answer
    x = 1,916.63

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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.