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Finding the Fourth Proportional to 1,527.49, 2,289.19 and 833.12

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Solution

The fourth proportional to 1,527.49, 2,289.19 and 833.12 is: 1,248.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.49 : 2,289.19 = 833.12 : x
  2. Step 2: Convert to fraction form
    1,527.49/2,289.19 = 833.12/x
  3. Step 3: Cross multiply
    1,527.49x = 2,289.19 × 833.12
  4. Step 4: Simplify right side
    1,527.49x = 1,907,164.25
  5. Step 5: Solve for x
    x = 1,907,164.25/1,527.49
  6. Step 6: Final answer
    x = 1,248.56

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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.