Home / 3,398.06-5,095.55-1,316.48

Finding the Fourth Proportional to 3,398.06, 5,095.55 and 1,316.48

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Solution

The fourth proportional to 3,398.06, 5,095.55 and 1,316.48 is: 1,974.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.06 : 5,095.55 = 1,316.48 : x
  2. Step 2: Convert to fraction form
    3,398.06/5,095.55 = 1,316.48/x
  3. Step 3: Cross multiply
    3,398.06x = 5,095.55 × 1,316.48
  4. Step 4: Simplify right side
    3,398.06x = 6,708,157.60
  5. Step 5: Solve for x
    x = 6,708,157.60/3,398.06
  6. Step 6: Final answer
    x = 1,974.12

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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.