Home / 2,095.20-2,891.28-1,150.95

Finding the Fourth Proportional to 2,095.20, 2,891.28 and 1,150.95

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Solution

The fourth proportional to 2,095.20, 2,891.28 and 1,150.95 is: 1,588.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.20 : 2,891.28 = 1,150.95 : x
  2. Step 2: Convert to fraction form
    2,095.20/2,891.28 = 1,150.95/x
  3. Step 3: Cross multiply
    2,095.20x = 2,891.28 × 1,150.95
  4. Step 4: Simplify right side
    2,095.20x = 3,327,718.72
  5. Step 5: Solve for x
    x = 3,327,718.72/2,095.20
  6. Step 6: Final answer
    x = 1,588.26

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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.