Home / 2,439.40-3,336.52-2,401.12

Finding the Fourth Proportional to 2,439.40, 3,336.52 and 2,401.12

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Solution

The fourth proportional to 2,439.40, 3,336.52 and 2,401.12 is: 3,284.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.40 : 3,336.52 = 2,401.12 : x
  2. Step 2: Convert to fraction form
    2,439.40/3,336.52 = 2,401.12/x
  3. Step 3: Cross multiply
    2,439.40x = 3,336.52 × 2,401.12
  4. Step 4: Simplify right side
    2,439.40x = 8,011,384.90
  5. Step 5: Solve for x
    x = 8,011,384.90/2,439.40
  6. Step 6: Final answer
    x = 3,284.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.