Home / 3,397.56-5,095.38-1,205.10

Finding the Fourth Proportional to 3,397.56, 5,095.38 and 1,205.10

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Solution

The fourth proportional to 3,397.56, 5,095.38 and 1,205.10 is: 1,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.56 : 5,095.38 = 1,205.10 : x
  2. Step 2: Convert to fraction form
    3,397.56/5,095.38 = 1,205.10/x
  3. Step 3: Cross multiply
    3,397.56x = 5,095.38 × 1,205.10
  4. Step 4: Simplify right side
    3,397.56x = 6,140,442.44
  5. Step 5: Solve for x
    x = 6,140,442.44/3,397.56
  6. Step 6: Final answer
    x = 1,807.31

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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.