Home / 2,521.43-3,478.84-1,724.08

Finding the Fourth Proportional to 2,521.43, 3,478.84 and 1,724.08

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Solution

The fourth proportional to 2,521.43, 3,478.84 and 1,724.08 is: 2,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.43 : 3,478.84 = 1,724.08 : x
  2. Step 2: Convert to fraction form
    2,521.43/3,478.84 = 1,724.08/x
  3. Step 3: Cross multiply
    2,521.43x = 3,478.84 × 1,724.08
  4. Step 4: Simplify right side
    2,521.43x = 5,997,798.47
  5. Step 5: Solve for x
    x = 5,997,798.47/2,521.43
  6. Step 6: Final answer
    x = 2,378.73

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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.