Home / 2,174.10-3,261.15-1,394.46

Finding the Fourth Proportional to 2,174.10, 3,261.15 and 1,394.46

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Solution

The fourth proportional to 2,174.10, 3,261.15 and 1,394.46 is: 2,091.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.10 : 3,261.15 = 1,394.46 : x
  2. Step 2: Convert to fraction form
    2,174.10/3,261.15 = 1,394.46/x
  3. Step 3: Cross multiply
    2,174.10x = 3,261.15 × 1,394.46
  4. Step 4: Simplify right side
    2,174.10x = 4,547,543.23
  5. Step 5: Solve for x
    x = 4,547,543.23/2,174.10
  6. Step 6: Final answer
    x = 2,091.69

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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.