Home / 1,847.81-2,549.27-1,139.54

Finding the Fourth Proportional to 1,847.81, 2,549.27 and 1,139.54

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Solution

The fourth proportional to 1,847.81, 2,549.27 and 1,139.54 is: 1,572.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.81 : 2,549.27 = 1,139.54 : x
  2. Step 2: Convert to fraction form
    1,847.81/2,549.27 = 1,139.54/x
  3. Step 3: Cross multiply
    1,847.81x = 2,549.27 × 1,139.54
  4. Step 4: Simplify right side
    1,847.81x = 2,904,985.24
  5. Step 5: Solve for x
    x = 2,904,985.24/1,847.81
  6. Step 6: Final answer
    x = 1,572.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.