Home / 3,443.03-5,160.80-1,689.24

Finding the Fourth Proportional to 3,443.03, 5,160.80 and 1,689.24

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Solution

The fourth proportional to 3,443.03, 5,160.80 and 1,689.24 is: 2,532.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.03 : 5,160.80 = 1,689.24 : x
  2. Step 2: Convert to fraction form
    3,443.03/5,160.80 = 1,689.24/x
  3. Step 3: Cross multiply
    3,443.03x = 5,160.80 × 1,689.24
  4. Step 4: Simplify right side
    3,443.03x = 8,717,821.35
  5. Step 5: Solve for x
    x = 8,717,821.35/3,443.03
  6. Step 6: Final answer
    x = 2,532.02

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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.