Home / 2,442.86-3,371.20-1,395.02

Finding the Fourth Proportional to 2,442.86, 3,371.20 and 1,395.02

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Solution

The fourth proportional to 2,442.86, 3,371.20 and 1,395.02 is: 1,925.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.86 : 3,371.20 = 1,395.02 : x
  2. Step 2: Convert to fraction form
    2,442.86/3,371.20 = 1,395.02/x
  3. Step 3: Cross multiply
    2,442.86x = 3,371.20 × 1,395.02
  4. Step 4: Simplify right side
    2,442.86x = 4,702,891.42
  5. Step 5: Solve for x
    x = 4,702,891.42/2,442.86
  6. Step 6: Final answer
    x = 1,925.16

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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.