Home / 1,758.15-2,425.95-1,095.21

Finding the Fourth Proportional to 1,758.15, 2,425.95 and 1,095.21

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Solution

The fourth proportional to 1,758.15, 2,425.95 and 1,095.21 is: 1,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.15 : 2,425.95 = 1,095.21 : x
  2. Step 2: Convert to fraction form
    1,758.15/2,425.95 = 1,095.21/x
  3. Step 3: Cross multiply
    1,758.15x = 2,425.95 × 1,095.21
  4. Step 4: Simplify right side
    1,758.15x = 2,656,924.70
  5. Step 5: Solve for x
    x = 2,656,924.70/1,758.15
  6. Step 6: Final answer
    x = 1,511.20

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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.