Home / 3,337.18-4,606.98-2,159.20

Finding the Fourth Proportional to 3,337.18, 4,606.98 and 2,159.20

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Solution

The fourth proportional to 3,337.18, 4,606.98 and 2,159.20 is: 2,980.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,337.18 : 4,606.98 = 2,159.20 : x
  2. Step 2: Convert to fraction form
    3,337.18/4,606.98 = 2,159.20/x
  3. Step 3: Cross multiply
    3,337.18x = 4,606.98 × 2,159.20
  4. Step 4: Simplify right side
    3,337.18x = 9,947,391.22
  5. Step 5: Solve for x
    x = 9,947,391.22/3,337.18
  6. Step 6: Final answer
    x = 2,980.78

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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.