Home / 3,144.68-4,339.50-1,747.40

Finding the Fourth Proportional to 3,144.68, 4,339.50 and 1,747.40

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Solution

The fourth proportional to 3,144.68, 4,339.50 and 1,747.40 is: 2,411.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.68 : 4,339.50 = 1,747.40 : x
  2. Step 2: Convert to fraction form
    3,144.68/4,339.50 = 1,747.40/x
  3. Step 3: Cross multiply
    3,144.68x = 4,339.50 × 1,747.40
  4. Step 4: Simplify right side
    3,144.68x = 7,582,842.30
  5. Step 5: Solve for x
    x = 7,582,842.30/3,144.68
  6. Step 6: Final answer
    x = 2,411.32

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1.5x scale

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.