Home / 3,141.60-4,335.50-2,080.26

Finding the Fourth Proportional to 3,141.60, 4,335.50 and 2,080.26

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Solution

The fourth proportional to 3,141.60, 4,335.50 and 2,080.26 is: 2,870.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.60 : 4,335.50 = 2,080.26 : x
  2. Step 2: Convert to fraction form
    3,141.60/4,335.50 = 2,080.26/x
  3. Step 3: Cross multiply
    3,141.60x = 4,335.50 × 2,080.26
  4. Step 4: Simplify right side
    3,141.60x = 9,018,967.23
  5. Step 5: Solve for x
    x = 9,018,967.23/3,141.60
  6. Step 6: Final answer
    x = 2,870.82

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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.