Home / 2,862.60-4,289.80-1,627.40

Finding the Fourth Proportional to 2,862.60, 4,289.80 and 1,627.40

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Solution

The fourth proportional to 2,862.60, 4,289.80 and 1,627.40 is: 2,438.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.60 : 4,289.80 = 1,627.40 : x
  2. Step 2: Convert to fraction form
    2,862.60/4,289.80 = 1,627.40/x
  3. Step 3: Cross multiply
    2,862.60x = 4,289.80 × 1,627.40
  4. Step 4: Simplify right side
    2,862.60x = 6,981,220.52
  5. Step 5: Solve for x
    x = 6,981,220.52/2,862.60
  6. Step 6: Final answer
    x = 2,438.77

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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.