Home / 4,288.17-6,431.49-2,312.88

Finding the Fourth Proportional to 4,288.17, 6,431.49 and 2,312.88

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Solution

The fourth proportional to 4,288.17, 6,431.49 and 2,312.88 is: 3,468.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.17 : 6,431.49 = 2,312.88 : x
  2. Step 2: Convert to fraction form
    4,288.17/6,431.49 = 2,312.88/x
  3. Step 3: Cross multiply
    4,288.17x = 6,431.49 × 2,312.88
  4. Step 4: Simplify right side
    4,288.17x = 14,875,264.59
  5. Step 5: Solve for x
    x = 14,875,264.59/4,288.17
  6. Step 6: Final answer
    x = 3,468.91

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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.