Home / 3,310.98-4,569.18-1,818.92

Finding the Fourth Proportional to 3,310.98, 4,569.18 and 1,818.92

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Solution

The fourth proportional to 3,310.98, 4,569.18 and 1,818.92 is: 2,510.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.98 : 4,569.18 = 1,818.92 : x
  2. Step 2: Convert to fraction form
    3,310.98/4,569.18 = 1,818.92/x
  3. Step 3: Cross multiply
    3,310.98x = 4,569.18 × 1,818.92
  4. Step 4: Simplify right side
    3,310.98x = 8,310,972.89
  5. Step 5: Solve for x
    x = 8,310,972.89/3,310.98
  6. Step 6: Final answer
    x = 2,510.12

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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.