Home / 1,532.07-2,114.33-868.95

Finding the Fourth Proportional to 1,532.07, 2,114.33 and 868.95

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Solution

The fourth proportional to 1,532.07, 2,114.33 and 868.95 is: 1,199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.07 : 2,114.33 = 868.95 : x
  2. Step 2: Convert to fraction form
    1,532.07/2,114.33 = 868.95/x
  3. Step 3: Cross multiply
    1,532.07x = 2,114.33 × 868.95
  4. Step 4: Simplify right side
    1,532.07x = 1,837,242.71
  5. Step 5: Solve for x
    x = 1,837,242.71/1,532.07
  6. Step 6: Final answer
    x = 1,199.19

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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.