Home / 1,527.12-2,106.60-966.56

Finding the Fourth Proportional to 1,527.12, 2,106.60 and 966.56

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Solution

The fourth proportional to 1,527.12, 2,106.60 and 966.56 is: 1,333.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.12 : 2,106.60 = 966.56 : x
  2. Step 2: Convert to fraction form
    1,527.12/2,106.60 = 966.56/x
  3. Step 3: Cross multiply
    1,527.12x = 2,106.60 × 966.56
  4. Step 4: Simplify right side
    1,527.12x = 2,036,155.30
  5. Step 5: Solve for x
    x = 2,036,155.30/1,527.12
  6. Step 6: Final answer
    x = 1,333.33

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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.