Home / 1,529.12-2,295.04-1,007.66

Finding the Fourth Proportional to 1,529.12, 2,295.04 and 1,007.66

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Solution

The fourth proportional to 1,529.12, 2,295.04 and 1,007.66 is: 1,512.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.12 : 2,295.04 = 1,007.66 : x
  2. Step 2: Convert to fraction form
    1,529.12/2,295.04 = 1,007.66/x
  3. Step 3: Cross multiply
    1,529.12x = 2,295.04 × 1,007.66
  4. Step 4: Simplify right side
    1,529.12x = 2,312,620.01
  5. Step 5: Solve for x
    x = 2,312,620.01/1,529.12
  6. Step 6: Final answer
    x = 1,512.39

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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.