Home / 3,549.29-5,320.62-1,207.68

Finding the Fourth Proportional to 3,549.29, 5,320.62 and 1,207.68

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Solution

The fourth proportional to 3,549.29, 5,320.62 and 1,207.68 is: 1,810.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.29 : 5,320.62 = 1,207.68 : x
  2. Step 2: Convert to fraction form
    3,549.29/5,320.62 = 1,207.68/x
  3. Step 3: Cross multiply
    3,549.29x = 5,320.62 × 1,207.68
  4. Step 4: Simplify right side
    3,549.29x = 6,425,606.36
  5. Step 5: Solve for x
    x = 6,425,606.36/3,549.29
  6. Step 6: Final answer
    x = 1,810.39

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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.