Home / 1,567.20-2,162.80-937.83

Finding the Fourth Proportional to 1,567.20, 2,162.80 and 937.83

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Solution

The fourth proportional to 1,567.20, 2,162.80 and 937.83 is: 1,294.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.20 : 2,162.80 = 937.83 : x
  2. Step 2: Convert to fraction form
    1,567.20/2,162.80 = 937.83/x
  3. Step 3: Cross multiply
    1,567.20x = 2,162.80 × 937.83
  4. Step 4: Simplify right side
    1,567.20x = 2,028,335.84
  5. Step 5: Solve for x
    x = 2,028,335.84/1,567.20
  6. Step 6: Final answer
    x = 1,294.24

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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.