Home / 2,862.48-3,951.16-1,683.12

Finding the Fourth Proportional to 2,862.48, 3,951.16 and 1,683.12

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Solution

The fourth proportional to 2,862.48, 3,951.16 and 1,683.12 is: 2,323.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.48 : 3,951.16 = 1,683.12 : x
  2. Step 2: Convert to fraction form
    2,862.48/3,951.16 = 1,683.12/x
  3. Step 3: Cross multiply
    2,862.48x = 3,951.16 × 1,683.12
  4. Step 4: Simplify right side
    2,862.48x = 6,650,276.42
  5. Step 5: Solve for x
    x = 6,650,276.42/2,862.48
  6. Step 6: Final answer
    x = 2,323.26

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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.