Home / 3,547.26-4,895.76-2,131.74

Finding the Fourth Proportional to 3,547.26, 4,895.76 and 2,131.74

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Solution

The fourth proportional to 3,547.26, 4,895.76 and 2,131.74 is: 2,942.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.26 : 4,895.76 = 2,131.74 : x
  2. Step 2: Convert to fraction form
    3,547.26/4,895.76 = 2,131.74/x
  3. Step 3: Cross multiply
    3,547.26x = 4,895.76 × 2,131.74
  4. Step 4: Simplify right side
    3,547.26x = 10,436,487.42
  5. Step 5: Solve for x
    x = 10,436,487.42/3,547.26
  6. Step 6: Final answer
    x = 2,942.13

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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.