Home / 3,941.92-5,439.90-2,547.10

Finding the Fourth Proportional to 3,941.92, 5,439.90 and 2,547.10

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Solution

The fourth proportional to 3,941.92, 5,439.90 and 2,547.10 is: 3,515.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.92 : 5,439.90 = 2,547.10 : x
  2. Step 2: Convert to fraction form
    3,941.92/5,439.90 = 2,547.10/x
  3. Step 3: Cross multiply
    3,941.92x = 5,439.90 × 2,547.10
  4. Step 4: Simplify right side
    3,941.92x = 13,855,969.29
  5. Step 5: Solve for x
    x = 13,855,969.29/3,941.92
  6. Step 6: Final answer
    x = 3,515.03

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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.