Home / 3,312.85-4,572.17-2,137.34

Finding the Fourth Proportional to 3,312.85, 4,572.17 and 2,137.34

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Solution

The fourth proportional to 3,312.85, 4,572.17 and 2,137.34 is: 2,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.85 : 4,572.17 = 2,137.34 : x
  2. Step 2: Convert to fraction form
    3,312.85/4,572.17 = 2,137.34/x
  3. Step 3: Cross multiply
    3,312.85x = 4,572.17 × 2,137.34
  4. Step 4: Simplify right side
    3,312.85x = 9,772,281.83
  5. Step 5: Solve for x
    x = 9,772,281.83/3,312.85
  6. Step 6: Final answer
    x = 2,949.81

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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.