Home / 1,532.42-2,114.85-869.33

Finding the Fourth Proportional to 1,532.42, 2,114.85 and 869.33

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Solution

The fourth proportional to 1,532.42, 2,114.85 and 869.33 is: 1,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.42 : 2,114.85 = 869.33 : x
  2. Step 2: Convert to fraction form
    1,532.42/2,114.85 = 869.33/x
  3. Step 3: Cross multiply
    1,532.42x = 2,114.85 × 869.33
  4. Step 4: Simplify right side
    1,532.42x = 1,838,491.98
  5. Step 5: Solve for x
    x = 1,838,491.98/1,532.42
  6. Step 6: Final answer
    x = 1,199.74

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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.