Home / 3,508.29-5,262.21-1,316.85

Finding the Fourth Proportional to 3,508.29, 5,262.21 and 1,316.85

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Solution

The fourth proportional to 3,508.29, 5,262.21 and 1,316.85 is: 1,975.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.29 : 5,262.21 = 1,316.85 : x
  2. Step 2: Convert to fraction form
    3,508.29/5,262.21 = 1,316.85/x
  3. Step 3: Cross multiply
    3,508.29x = 5,262.21 × 1,316.85
  4. Step 4: Simplify right side
    3,508.29x = 6,929,541.24
  5. Step 5: Solve for x
    x = 6,929,541.24/3,508.29
  6. Step 6: Final answer
    x = 1,975.19

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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.