Home / 3,547.03-4,895.40-2,149.78

Finding the Fourth Proportional to 3,547.03, 4,895.40 and 2,149.78

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Solution

The fourth proportional to 3,547.03, 4,895.40 and 2,149.78 is: 2,967.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.03 : 4,895.40 = 2,149.78 : x
  2. Step 2: Convert to fraction form
    3,547.03/4,895.40 = 2,149.78/x
  3. Step 3: Cross multiply
    3,547.03x = 4,895.40 × 2,149.78
  4. Step 4: Simplify right side
    3,547.03x = 10,524,033.01
  5. Step 5: Solve for x
    x = 10,524,033.01/3,547.03
  6. Step 6: Final answer
    x = 2,967.00

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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.