Home / 1,532.08-2,114.40-868.96

Finding the Fourth Proportional to 1,532.08, 2,114.40 and 868.96

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Solution

The fourth proportional to 1,532.08, 2,114.40 and 868.96 is: 1,199.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.08 : 2,114.40 = 868.96 : x
  2. Step 2: Convert to fraction form
    1,532.08/2,114.40 = 868.96/x
  3. Step 3: Cross multiply
    1,532.08x = 2,114.40 × 868.96
  4. Step 4: Simplify right side
    1,532.08x = 1,837,329.02
  5. Step 5: Solve for x
    x = 1,837,329.02/1,532.08
  6. Step 6: Final answer
    x = 1,199.24

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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.