Home / 2,342.90-3,516.47-1,248.18

Finding the Fourth Proportional to 2,342.90, 3,516.47 and 1,248.18

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Solution

The fourth proportional to 2,342.90, 3,516.47 and 1,248.18 is: 1,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.90 : 3,516.47 = 1,248.18 : x
  2. Step 2: Convert to fraction form
    2,342.90/3,516.47 = 1,248.18/x
  3. Step 3: Cross multiply
    2,342.90x = 3,516.47 × 1,248.18
  4. Step 4: Simplify right side
    2,342.90x = 4,389,181.28
  5. Step 5: Solve for x
    x = 4,389,181.28/2,342.90
  6. Step 6: Final answer
    x = 1,873.40

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1.5x scale

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.