Home / 1,527.15-2,106.05-966.68

Finding the Fourth Proportional to 1,527.15, 2,106.05 and 966.68

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Solution

The fourth proportional to 1,527.15, 2,106.05 and 966.68 is: 1,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.15 : 2,106.05 = 966.68 : x
  2. Step 2: Convert to fraction form
    1,527.15/2,106.05 = 966.68/x
  3. Step 3: Cross multiply
    1,527.15x = 2,106.05 × 966.68
  4. Step 4: Simplify right side
    1,527.15x = 2,035,876.41
  5. Step 5: Solve for x
    x = 2,035,876.41/1,527.15
  6. Step 6: Final answer
    x = 1,333.12

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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.