Home / 2,753.90-4,131.13-904.58

Finding the Fourth Proportional to 2,753.90, 4,131.13 and 904.58

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Solution

The fourth proportional to 2,753.90, 4,131.13 and 904.58 is: 1,356.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.90 : 4,131.13 = 904.58 : x
  2. Step 2: Convert to fraction form
    2,753.90/4,131.13 = 904.58/x
  3. Step 3: Cross multiply
    2,753.90x = 4,131.13 × 904.58
  4. Step 4: Simplify right side
    2,753.90x = 3,736,937.58
  5. Step 5: Solve for x
    x = 3,736,937.58/2,753.90
  6. Step 6: Final answer
    x = 1,356.96

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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.