Home / 3,491.84-5,235.45-1,270.25

Finding the Fourth Proportional to 3,491.84, 5,235.45 and 1,270.25

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Solution

The fourth proportional to 3,491.84, 5,235.45 and 1,270.25 is: 1,904.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.84 : 5,235.45 = 1,270.25 : x
  2. Step 2: Convert to fraction form
    3,491.84/5,235.45 = 1,270.25/x
  3. Step 3: Cross multiply
    3,491.84x = 5,235.45 × 1,270.25
  4. Step 4: Simplify right side
    3,491.84x = 6,650,304.19
  5. Step 5: Solve for x
    x = 6,650,304.19/3,491.84
  6. Step 6: Final answer
    x = 1,904.53

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Double scale
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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.