Home / 3,032.91-4,543.23-1,387.19

Finding the Fourth Proportional to 3,032.91, 4,543.23 and 1,387.19

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Solution

The fourth proportional to 3,032.91, 4,543.23 and 1,387.19 is: 2,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,032.91 : 4,543.23 = 1,387.19 : x
  2. Step 2: Convert to fraction form
    3,032.91/4,543.23 = 1,387.19/x
  3. Step 3: Cross multiply
    3,032.91x = 4,543.23 × 1,387.19
  4. Step 4: Simplify right side
    3,032.91x = 6,302,300.51
  5. Step 5: Solve for x
    x = 6,302,300.51/3,032.91
  6. Step 6: Final answer
    x = 2,077.97

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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.