Home / 2,498.87-3,451.50-1,872.20

Finding the Fourth Proportional to 2,498.87, 3,451.50 and 1,872.20

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Solution

The fourth proportional to 2,498.87, 3,451.50 and 1,872.20 is: 2,585.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,498.87 : 3,451.50 = 1,872.20 : x
  2. Step 2: Convert to fraction form
    2,498.87/3,451.50 = 1,872.20/x
  3. Step 3: Cross multiply
    2,498.87x = 3,451.50 × 1,872.20
  4. Step 4: Simplify right side
    2,498.87x = 6,461,881.04
  5. Step 5: Solve for x
    x = 6,461,881.04/2,498.87
  6. Step 6: Final answer
    x = 2,585.93

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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.