Home / 1,655.48-2,484.66-1,169.72

Finding the Fourth Proportional to 1,655.48, 2,484.66 and 1,169.72

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Solution

The fourth proportional to 1,655.48, 2,484.66 and 1,169.72 is: 1,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.48 : 2,484.66 = 1,169.72 : x
  2. Step 2: Convert to fraction form
    1,655.48/2,484.66 = 1,169.72/x
  3. Step 3: Cross multiply
    1,655.48x = 2,484.66 × 1,169.72
  4. Step 4: Simplify right side
    1,655.48x = 2,906,356.50
  5. Step 5: Solve for x
    x = 2,906,356.50/1,655.48
  6. Step 6: Final answer
    x = 1,755.60

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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.