Home / 3,398.72-4,690.20-2,001.52

Finding the Fourth Proportional to 3,398.72, 4,690.20 and 2,001.52

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Solution

The fourth proportional to 3,398.72, 4,690.20 and 2,001.52 is: 2,762.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.72 : 4,690.20 = 2,001.52 : x
  2. Step 2: Convert to fraction form
    3,398.72/4,690.20 = 2,001.52/x
  3. Step 3: Cross multiply
    3,398.72x = 4,690.20 × 2,001.52
  4. Step 4: Simplify right side
    3,398.72x = 9,387,529.10
  5. Step 5: Solve for x
    x = 9,387,529.10/3,398.72
  6. Step 6: Final answer
    x = 2,762.08

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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.