Home / 1,449.13-2,173.02-524.57

Finding the Fourth Proportional to 1,449.13, 2,173.02 and 524.57

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Solution

The fourth proportional to 1,449.13, 2,173.02 and 524.57 is: 786.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449.13 : 2,173.02 = 524.57 : x
  2. Step 2: Convert to fraction form
    1,449.13/2,173.02 = 524.57/x
  3. Step 3: Cross multiply
    1,449.13x = 2,173.02 × 524.57
  4. Step 4: Simplify right side
    1,449.13x = 1,139,901.10
  5. Step 5: Solve for x
    x = 1,139,901.10/1,449.13
  6. Step 6: Final answer
    x = 786.61

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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.