Home / 1,529.55-2,108.62-1,087.29

Finding the Fourth Proportional to 1,529.55, 2,108.62 and 1,087.29

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Solution

The fourth proportional to 1,529.55, 2,108.62 and 1,087.29 is: 1,498.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.55 : 2,108.62 = 1,087.29 : x
  2. Step 2: Convert to fraction form
    1,529.55/2,108.62 = 1,087.29/x
  3. Step 3: Cross multiply
    1,529.55x = 2,108.62 × 1,087.29
  4. Step 4: Simplify right side
    1,529.55x = 2,292,681.44
  5. Step 5: Solve for x
    x = 2,292,681.44/1,529.55
  6. Step 6: Final answer
    x = 1,498.93

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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.