Home / 2,753.27-4,130.51-904.30

Finding the Fourth Proportional to 2,753.27, 4,130.51 and 904.30

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Solution

The fourth proportional to 2,753.27, 4,130.51 and 904.30 is: 1,356.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.27 : 4,130.51 = 904.30 : x
  2. Step 2: Convert to fraction form
    2,753.27/4,130.51 = 904.30/x
  3. Step 3: Cross multiply
    2,753.27x = 4,130.51 × 904.30
  4. Step 4: Simplify right side
    2,753.27x = 3,735,224.04
  5. Step 5: Solve for x
    x = 3,735,224.04/2,753.27
  6. Step 6: Final answer
    x = 1,356.65

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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.