Home / 1,562.70-2,347.29-1,240.32

Finding the Fourth Proportional to 1,562.70, 2,347.29 and 1,240.32

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Solution

The fourth proportional to 1,562.70, 2,347.29 and 1,240.32 is: 1,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.70 : 2,347.29 = 1,240.32 : x
  2. Step 2: Convert to fraction form
    1,562.70/2,347.29 = 1,240.32/x
  3. Step 3: Cross multiply
    1,562.70x = 2,347.29 × 1,240.32
  4. Step 4: Simplify right side
    1,562.70x = 2,911,390.73
  5. Step 5: Solve for x
    x = 2,911,390.73/1,562.70
  6. Step 6: Final answer
    x = 1,863.05

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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.