Home / 3,080.32-4,250.35-1,754.05

Finding the Fourth Proportional to 3,080.32, 4,250.35 and 1,754.05

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Solution

The fourth proportional to 3,080.32, 4,250.35 and 1,754.05 is: 2,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.32 : 4,250.35 = 1,754.05 : x
  2. Step 2: Convert to fraction form
    3,080.32/4,250.35 = 1,754.05/x
  3. Step 3: Cross multiply
    3,080.32x = 4,250.35 × 1,754.05
  4. Step 4: Simplify right side
    3,080.32x = 7,455,326.42
  5. Step 5: Solve for x
    x = 7,455,326.42/3,080.32
  6. Step 6: Final answer
    x = 2,420.31

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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.