Home / 2,301.20-3,174.63-1,554.92

Finding the Fourth Proportional to 2,301.20, 3,174.63 and 1,554.92

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Solution

The fourth proportional to 2,301.20, 3,174.63 and 1,554.92 is: 2,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.20 : 3,174.63 = 1,554.92 : x
  2. Step 2: Convert to fraction form
    2,301.20/3,174.63 = 1,554.92/x
  3. Step 3: Cross multiply
    2,301.20x = 3,174.63 × 1,554.92
  4. Step 4: Simplify right side
    2,301.20x = 4,936,295.68
  5. Step 5: Solve for x
    x = 4,936,295.68/2,301.20
  6. Step 6: Final answer
    x = 2,145.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.