Home / 2,908.30-4,013.40-1,649.32

Finding the Fourth Proportional to 2,908.30, 4,013.40 and 1,649.32

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Solution

The fourth proportional to 2,908.30, 4,013.40 and 1,649.32 is: 2,276.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.30 : 4,013.40 = 1,649.32 : x
  2. Step 2: Convert to fraction form
    2,908.30/4,013.40 = 1,649.32/x
  3. Step 3: Cross multiply
    2,908.30x = 4,013.40 × 1,649.32
  4. Step 4: Simplify right side
    2,908.30x = 6,619,380.89
  5. Step 5: Solve for x
    x = 6,619,380.89/2,908.30
  6. Step 6: Final answer
    x = 2,276.03

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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.