Home / 1,951.95-2,929.14-1,130.61

Finding the Fourth Proportional to 1,951.95, 2,929.14 and 1,130.61

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Solution

The fourth proportional to 1,951.95, 2,929.14 and 1,130.61 is: 1,696.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.95 : 2,929.14 = 1,130.61 : x
  2. Step 2: Convert to fraction form
    1,951.95/2,929.14 = 1,130.61/x
  3. Step 3: Cross multiply
    1,951.95x = 2,929.14 × 1,130.61
  4. Step 4: Simplify right side
    1,951.95x = 3,311,714.98
  5. Step 5: Solve for x
    x = 3,311,714.98/1,951.95
  6. Step 6: Final answer
    x = 1,696.62

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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.