Home / 4,020.23-5,547.89-2,251.80

Finding the Fourth Proportional to 4,020.23, 5,547.89 and 2,251.80

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Solution

The fourth proportional to 4,020.23, 5,547.89 and 2,251.80 is: 3,107.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.23 : 5,547.89 = 2,251.80 : x
  2. Step 2: Convert to fraction form
    4,020.23/5,547.89 = 2,251.80/x
  3. Step 3: Cross multiply
    4,020.23x = 5,547.89 × 2,251.80
  4. Step 4: Simplify right side
    4,020.23x = 12,492,744.33
  5. Step 5: Solve for x
    x = 12,492,744.33/4,020.23
  6. Step 6: Final answer
    x = 3,107.47

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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.