Home / 2,451.64-3,384.30-1,862.20

Finding the Fourth Proportional to 2,451.64, 3,384.30 and 1,862.20

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Solution

The fourth proportional to 2,451.64, 3,384.30 and 1,862.20 is: 2,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.64 : 3,384.30 = 1,862.20 : x
  2. Step 2: Convert to fraction form
    2,451.64/3,384.30 = 1,862.20/x
  3. Step 3: Cross multiply
    2,451.64x = 3,384.30 × 1,862.20
  4. Step 4: Simplify right side
    2,451.64x = 6,302,243.46
  5. Step 5: Solve for x
    x = 6,302,243.46/2,451.64
  6. Step 6: Final answer
    x = 2,570.62

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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.