Home / 3,916.30-5,875.02-1,142.62

Finding the Fourth Proportional to 3,916.30, 5,875.02 and 1,142.62

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Solution

The fourth proportional to 3,916.30, 5,875.02 and 1,142.62 is: 1,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.30 : 5,875.02 = 1,142.62 : x
  2. Step 2: Convert to fraction form
    3,916.30/5,875.02 = 1,142.62/x
  3. Step 3: Cross multiply
    3,916.30x = 5,875.02 × 1,142.62
  4. Step 4: Simplify right side
    3,916.30x = 6,712,915.35
  5. Step 5: Solve for x
    x = 6,712,915.35/3,916.30
  6. Step 6: Final answer
    x = 1,714.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.