Home / 3,721.30-5,569.80-2,895.10

Finding the Fourth Proportional to 3,721.30, 5,569.80 and 2,895.10

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Solution

The fourth proportional to 3,721.30, 5,569.80 and 2,895.10 is: 4,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.30 : 5,569.80 = 2,895.10 : x
  2. Step 2: Convert to fraction form
    3,721.30/5,569.80 = 2,895.10/x
  3. Step 3: Cross multiply
    3,721.30x = 5,569.80 × 2,895.10
  4. Step 4: Simplify right side
    3,721.30x = 16,125,127.98
  5. Step 5: Solve for x
    x = 16,125,127.98/3,721.30
  6. Step 6: Final answer
    x = 4,333.20

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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.