Home / 3,501.85-5,252.77-904.78

Finding the Fourth Proportional to 3,501.85, 5,252.77 and 904.78

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Solution

The fourth proportional to 3,501.85, 5,252.77 and 904.78 is: 1,357.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.85 : 5,252.77 = 904.78 : x
  2. Step 2: Convert to fraction form
    3,501.85/5,252.77 = 904.78/x
  3. Step 3: Cross multiply
    3,501.85x = 5,252.77 × 904.78
  4. Step 4: Simplify right side
    3,501.85x = 4,752,612.11
  5. Step 5: Solve for x
    x = 4,752,612.11/3,501.85
  6. Step 6: Final answer
    x = 1,357.17

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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.