Home / 2,339.04-3,507.84-1,242.80

Finding the Fourth Proportional to 2,339.04, 3,507.84 and 1,242.80

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Solution

The fourth proportional to 2,339.04, 3,507.84 and 1,242.80 is: 1,863.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.04 : 3,507.84 = 1,242.80 : x
  2. Step 2: Convert to fraction form
    2,339.04/3,507.84 = 1,242.80/x
  3. Step 3: Cross multiply
    2,339.04x = 3,507.84 × 1,242.80
  4. Step 4: Simplify right side
    2,339.04x = 4,359,543.55
  5. Step 5: Solve for x
    x = 4,359,543.55/2,339.04
  6. Step 6: Final answer
    x = 1,863.82

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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.