Home / 2,741.80-4,112.70-2,547.40

Finding the Fourth Proportional to 2,741.80, 4,112.70 and 2,547.40

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Solution

The fourth proportional to 2,741.80, 4,112.70 and 2,547.40 is: 3,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.80 : 4,112.70 = 2,547.40 : x
  2. Step 2: Convert to fraction form
    2,741.80/4,112.70 = 2,547.40/x
  3. Step 3: Cross multiply
    2,741.80x = 4,112.70 × 2,547.40
  4. Step 4: Simplify right side
    2,741.80x = 10,476,691.98
  5. Step 5: Solve for x
    x = 10,476,691.98/2,741.80
  6. Step 6: Final answer
    x = 3,821.10

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1.5x scale

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.