Home / 2,973.11-4,456.92-1,587.40

Finding the Fourth Proportional to 2,973.11, 4,456.92 and 1,587.40

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Solution

The fourth proportional to 2,973.11, 4,456.92 and 1,587.40 is: 2,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.11 : 4,456.92 = 1,587.40 : x
  2. Step 2: Convert to fraction form
    2,973.11/4,456.92 = 1,587.40/x
  3. Step 3: Cross multiply
    2,973.11x = 4,456.92 × 1,587.40
  4. Step 4: Simplify right side
    2,973.11x = 7,074,909.62
  5. Step 5: Solve for x
    x = 7,074,909.62/2,973.11
  6. Step 6: Final answer
    x = 2,379.64

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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.