Home / 1,755.04-2,421.87-1,008.47

Finding the Fourth Proportional to 1,755.04, 2,421.87 and 1,008.47

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Solution

The fourth proportional to 1,755.04, 2,421.87 and 1,008.47 is: 1,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.04 : 2,421.87 = 1,008.47 : x
  2. Step 2: Convert to fraction form
    1,755.04/2,421.87 = 1,008.47/x
  3. Step 3: Cross multiply
    1,755.04x = 2,421.87 × 1,008.47
  4. Step 4: Simplify right side
    1,755.04x = 2,442,378.20
  5. Step 5: Solve for x
    x = 2,442,378.20/1,755.04
  6. Step 6: Final answer
    x = 1,391.64

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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.