Home / 3,529.20-4,870.40-1,957.29

Finding the Fourth Proportional to 3,529.20, 4,870.40 and 1,957.29

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Solution

The fourth proportional to 3,529.20, 4,870.40 and 1,957.29 is: 2,701.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.20 : 4,870.40 = 1,957.29 : x
  2. Step 2: Convert to fraction form
    3,529.20/4,870.40 = 1,957.29/x
  3. Step 3: Cross multiply
    3,529.20x = 4,870.40 × 1,957.29
  4. Step 4: Simplify right side
    3,529.20x = 9,532,787.38
  5. Step 5: Solve for x
    x = 9,532,787.38/3,529.20
  6. Step 6: Final answer
    x = 2,701.12

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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.