Home / 3,312.32-4,966.68-2,142.16

Finding the Fourth Proportional to 3,312.32, 4,966.68 and 2,142.16

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Solution

The fourth proportional to 3,312.32, 4,966.68 and 2,142.16 is: 3,212.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.32 : 4,966.68 = 2,142.16 : x
  2. Step 2: Convert to fraction form
    3,312.32/4,966.68 = 2,142.16/x
  3. Step 3: Cross multiply
    3,312.32x = 4,966.68 × 2,142.16
  4. Step 4: Simplify right side
    3,312.32x = 10,639,423.23
  5. Step 5: Solve for x
    x = 10,639,423.23/3,312.32
  6. Step 6: Final answer
    x = 3,212.08

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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.