Home / 1,761.24-2,644.29-896.16

Finding the Fourth Proportional to 1,761.24, 2,644.29 and 896.16

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Solution

The fourth proportional to 1,761.24, 2,644.29 and 896.16 is: 1,345.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761.24 : 2,644.29 = 896.16 : x
  2. Step 2: Convert to fraction form
    1,761.24/2,644.29 = 896.16/x
  3. Step 3: Cross multiply
    1,761.24x = 2,644.29 × 896.16
  4. Step 4: Simplify right side
    1,761.24x = 2,369,706.93
  5. Step 5: Solve for x
    x = 2,369,706.93/1,761.24
  6. Step 6: Final answer
    x = 1,345.48

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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.