Home / 2,713.26-4,062.18-1,878.46

Finding the Fourth Proportional to 2,713.26, 4,062.18 and 1,878.46

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Solution

The fourth proportional to 2,713.26, 4,062.18 and 1,878.46 is: 2,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.26 : 4,062.18 = 1,878.46 : x
  2. Step 2: Convert to fraction form
    2,713.26/4,062.18 = 1,878.46/x
  3. Step 3: Cross multiply
    2,713.26x = 4,062.18 × 1,878.46
  4. Step 4: Simplify right side
    2,713.26x = 7,630,642.64
  5. Step 5: Solve for x
    x = 7,630,642.64/2,713.26
  6. Step 6: Final answer
    x = 2,812.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.