Home / 3,547.89-5,313.92-2,571.75

Finding the Fourth Proportional to 3,547.89, 5,313.92 and 2,571.75

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Solution

The fourth proportional to 3,547.89, 5,313.92 and 2,571.75 is: 3,851.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.89 : 5,313.92 = 2,571.75 : x
  2. Step 2: Convert to fraction form
    3,547.89/5,313.92 = 2,571.75/x
  3. Step 3: Cross multiply
    3,547.89x = 5,313.92 × 2,571.75
  4. Step 4: Simplify right side
    3,547.89x = 13,666,060.90
  5. Step 5: Solve for x
    x = 13,666,060.90/3,547.89
  6. Step 6: Final answer
    x = 3,851.88

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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.