Home / 2,827.32-3,899.15-1,765.19

Finding the Fourth Proportional to 2,827.32, 3,899.15 and 1,765.19

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Solution

The fourth proportional to 2,827.32, 3,899.15 and 1,765.19 is: 2,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.32 : 3,899.15 = 1,765.19 : x
  2. Step 2: Convert to fraction form
    2,827.32/3,899.15 = 1,765.19/x
  3. Step 3: Cross multiply
    2,827.32x = 3,899.15 × 1,765.19
  4. Step 4: Simplify right side
    2,827.32x = 6,882,723.20
  5. Step 5: Solve for x
    x = 6,882,723.20/2,827.32
  6. Step 6: Final answer
    x = 2,434.36

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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.