Home / 1,532.06-2,114.26-868.89

Finding the Fourth Proportional to 1,532.06, 2,114.26 and 868.89

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Solution

The fourth proportional to 1,532.06, 2,114.26 and 868.89 is: 1,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.06 : 2,114.26 = 868.89 : x
  2. Step 2: Convert to fraction form
    1,532.06/2,114.26 = 868.89/x
  3. Step 3: Cross multiply
    1,532.06x = 2,114.26 × 868.89
  4. Step 4: Simplify right side
    1,532.06x = 1,837,059.37
  5. Step 5: Solve for x
    x = 1,837,059.37/1,532.06
  6. Step 6: Final answer
    x = 1,199.08

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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.