Home / 3,648.91-5,030.88-2,387.97

Finding the Fourth Proportional to 3,648.91, 5,030.88 and 2,387.97

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Solution

The fourth proportional to 3,648.91, 5,030.88 and 2,387.97 is: 3,292.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.91 : 5,030.88 = 2,387.97 : x
  2. Step 2: Convert to fraction form
    3,648.91/5,030.88 = 2,387.97/x
  3. Step 3: Cross multiply
    3,648.91x = 5,030.88 × 2,387.97
  4. Step 4: Simplify right side
    3,648.91x = 12,013,590.51
  5. Step 5: Solve for x
    x = 12,013,590.51/3,648.91
  6. Step 6: Final answer
    x = 3,292.38

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1.5x scale

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.