Home / 2,959.55-4,432.40-2,339.09

Finding the Fourth Proportional to 2,959.55, 4,432.40 and 2,339.09

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Solution

The fourth proportional to 2,959.55, 4,432.40 and 2,339.09 is: 3,503.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.55 : 4,432.40 = 2,339.09 : x
  2. Step 2: Convert to fraction form
    2,959.55/4,432.40 = 2,339.09/x
  3. Step 3: Cross multiply
    2,959.55x = 4,432.40 × 2,339.09
  4. Step 4: Simplify right side
    2,959.55x = 10,367,782.52
  5. Step 5: Solve for x
    x = 10,367,782.52/2,959.55
  6. Step 6: Final answer
    x = 3,503.16

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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.