Home / 1,562.41-2,347.25-1,478.43

Finding the Fourth Proportional to 1,562.41, 2,347.25 and 1,478.43

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Solution

The fourth proportional to 1,562.41, 2,347.25 and 1,478.43 is: 2,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.41 : 2,347.25 = 1,478.43 : x
  2. Step 2: Convert to fraction form
    1,562.41/2,347.25 = 1,478.43/x
  3. Step 3: Cross multiply
    1,562.41x = 2,347.25 × 1,478.43
  4. Step 4: Simplify right side
    1,562.41x = 3,470,237.43
  5. Step 5: Solve for x
    x = 3,470,237.43/1,562.41
  6. Step 6: Final answer
    x = 2,221.08

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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.