Home / 3,527.10-5,288.98-1,305.20

Finding the Fourth Proportional to 3,527.10, 5,288.98 and 1,305.20

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Solution

The fourth proportional to 3,527.10, 5,288.98 and 1,305.20 is: 1,957.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.10 : 5,288.98 = 1,305.20 : x
  2. Step 2: Convert to fraction form
    3,527.10/5,288.98 = 1,305.20/x
  3. Step 3: Cross multiply
    3,527.10x = 5,288.98 × 1,305.20
  4. Step 4: Simplify right side
    3,527.10x = 6,903,176.70
  5. Step 5: Solve for x
    x = 6,903,176.70/3,527.10
  6. Step 6: Final answer
    x = 1,957.18

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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.