Home / 3,547.50-5,320.79-1,082.11

Finding the Fourth Proportional to 3,547.50, 5,320.79 and 1,082.11

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Solution

The fourth proportional to 3,547.50, 5,320.79 and 1,082.11 is: 1,623.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.50 : 5,320.79 = 1,082.11 : x
  2. Step 2: Convert to fraction form
    3,547.50/5,320.79 = 1,082.11/x
  3. Step 3: Cross multiply
    3,547.50x = 5,320.79 × 1,082.11
  4. Step 4: Simplify right side
    3,547.50x = 5,757,675.39
  5. Step 5: Solve for x
    x = 5,757,675.39/3,547.50
  6. Step 6: Final answer
    x = 1,623.03

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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.