Home / 2,080.32-2,870.51-1,195.95

Finding the Fourth Proportional to 2,080.32, 2,870.51 and 1,195.95

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Solution

The fourth proportional to 2,080.32, 2,870.51 and 1,195.95 is: 1,650.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.32 : 2,870.51 = 1,195.95 : x
  2. Step 2: Convert to fraction form
    2,080.32/2,870.51 = 1,195.95/x
  3. Step 3: Cross multiply
    2,080.32x = 2,870.51 × 1,195.95
  4. Step 4: Simplify right side
    2,080.32x = 3,432,986.43
  5. Step 5: Solve for x
    x = 3,432,986.43/2,080.32
  6. Step 6: Final answer
    x = 1,650.22

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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.