Home / 2,251.25-3,108.95-1,465.75

Finding the Fourth Proportional to 2,251.25, 3,108.95 and 1,465.75

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Solution

The fourth proportional to 2,251.25, 3,108.95 and 1,465.75 is: 2,024.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.25 : 3,108.95 = 1,465.75 : x
  2. Step 2: Convert to fraction form
    2,251.25/3,108.95 = 1,465.75/x
  3. Step 3: Cross multiply
    2,251.25x = 3,108.95 × 1,465.75
  4. Step 4: Simplify right side
    2,251.25x = 4,556,943.46
  5. Step 5: Solve for x
    x = 4,556,943.46/2,251.25
  6. Step 6: Final answer
    x = 2,024.18

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1.5x scale

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.