Home / 3,257.02-4,488.66-2,312.85

Finding the Fourth Proportional to 3,257.02, 4,488.66 and 2,312.85

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Solution

The fourth proportional to 3,257.02, 4,488.66 and 2,312.85 is: 3,187.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.02 : 4,488.66 = 2,312.85 : x
  2. Step 2: Convert to fraction form
    3,257.02/4,488.66 = 2,312.85/x
  3. Step 3: Cross multiply
    3,257.02x = 4,488.66 × 2,312.85
  4. Step 4: Simplify right side
    3,257.02x = 10,381,614.11
  5. Step 5: Solve for x
    x = 10,381,614.11/3,257.02
  6. Step 6: Final answer
    x = 3,187.46

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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.