Home / 1,529.23-2,110.21-865.93

Finding the Fourth Proportional to 1,529.23, 2,110.21 and 865.93

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Solution

The fourth proportional to 1,529.23, 2,110.21 and 865.93 is: 1,194.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.23 : 2,110.21 = 865.93 : x
  2. Step 2: Convert to fraction form
    1,529.23/2,110.21 = 865.93/x
  3. Step 3: Cross multiply
    1,529.23x = 2,110.21 × 865.93
  4. Step 4: Simplify right side
    1,529.23x = 1,827,294.15
  5. Step 5: Solve for x
    x = 1,827,294.15/1,529.23
  6. Step 6: Final answer
    x = 1,194.91

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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.