Home / 1,525.66-2,288.80-867.84

Finding the Fourth Proportional to 1,525.66, 2,288.80 and 867.84

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Solution

The fourth proportional to 1,525.66, 2,288.80 and 867.84 is: 1,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.66 : 2,288.80 = 867.84 : x
  2. Step 2: Convert to fraction form
    1,525.66/2,288.80 = 867.84/x
  3. Step 3: Cross multiply
    1,525.66x = 2,288.80 × 867.84
  4. Step 4: Simplify right side
    1,525.66x = 1,986,301.44
  5. Step 5: Solve for x
    x = 1,986,301.44/1,525.66
  6. Step 6: Final answer
    x = 1,301.93

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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.