Home / 1,567.40-2,351.87-1,108.13

Finding the Fourth Proportional to 1,567.40, 2,351.87 and 1,108.13

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Solution

The fourth proportional to 1,567.40, 2,351.87 and 1,108.13 is: 1,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.40 : 2,351.87 = 1,108.13 : x
  2. Step 2: Convert to fraction form
    1,567.40/2,351.87 = 1,108.13/x
  3. Step 3: Cross multiply
    1,567.40x = 2,351.87 × 1,108.13
  4. Step 4: Simplify right side
    1,567.40x = 2,606,177.70
  5. Step 5: Solve for x
    x = 2,606,177.70/1,567.40
  6. Step 6: Final answer
    x = 1,662.74

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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.