Home / 1,312.83-1,966.93-1,169.82

Finding the Fourth Proportional to 1,312.83, 1,966.93 and 1,169.82

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Solution

The fourth proportional to 1,312.83, 1,966.93 and 1,169.82 is: 1,752.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312.83 : 1,966.93 = 1,169.82 : x
  2. Step 2: Convert to fraction form
    1,312.83/1,966.93 = 1,169.82/x
  3. Step 3: Cross multiply
    1,312.83x = 1,966.93 × 1,169.82
  4. Step 4: Simplify right side
    1,312.83x = 2,300,951.13
  5. Step 5: Solve for x
    x = 2,300,951.13/1,312.83
  6. Step 6: Final answer
    x = 1,752.66

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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.