Home / 2,080.23-2,871.12-1,335.13

Finding the Fourth Proportional to 2,080.23, 2,871.12 and 1,335.13

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Solution

The fourth proportional to 2,080.23, 2,871.12 and 1,335.13 is: 1,842.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.23 : 2,871.12 = 1,335.13 : x
  2. Step 2: Convert to fraction form
    2,080.23/2,871.12 = 1,335.13/x
  3. Step 3: Cross multiply
    2,080.23x = 2,871.12 × 1,335.13
  4. Step 4: Simplify right side
    2,080.23x = 3,833,328.67
  5. Step 5: Solve for x
    x = 3,833,328.67/2,080.23
  6. Step 6: Final answer
    x = 1,842.74

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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.