Home / 2,174.24-3,259.76-1,395.11

Finding the Fourth Proportional to 2,174.24, 3,259.76 and 1,395.11

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Solution

The fourth proportional to 2,174.24, 3,259.76 and 1,395.11 is: 2,091.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.24 : 3,259.76 = 1,395.11 : x
  2. Step 2: Convert to fraction form
    2,174.24/3,259.76 = 1,395.11/x
  3. Step 3: Cross multiply
    2,174.24x = 3,259.76 × 1,395.11
  4. Step 4: Simplify right side
    2,174.24x = 4,547,724.95
  5. Step 5: Solve for x
    x = 4,547,724.95/2,174.24
  6. Step 6: Final answer
    x = 2,091.64

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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.