Home / 1,624.41-2,240.88-1,561.53

Finding the Fourth Proportional to 1,624.41, 2,240.88 and 1,561.53

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Solution

The fourth proportional to 1,624.41, 2,240.88 and 1,561.53 is: 2,154.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.41 : 2,240.88 = 1,561.53 : x
  2. Step 2: Convert to fraction form
    1,624.41/2,240.88 = 1,561.53/x
  3. Step 3: Cross multiply
    1,624.41x = 2,240.88 × 1,561.53
  4. Step 4: Simplify right side
    1,624.41x = 3,499,201.35
  5. Step 5: Solve for x
    x = 3,499,201.35/1,624.41
  6. Step 6: Final answer
    x = 2,154.14

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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.