Home / 2,502.72-3,749.18-1,634.40

Finding the Fourth Proportional to 2,502.72, 3,749.18 and 1,634.40

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Solution

The fourth proportional to 2,502.72, 3,749.18 and 1,634.40 is: 2,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,502.72 : 3,749.18 = 1,634.40 : x
  2. Step 2: Convert to fraction form
    2,502.72/3,749.18 = 1,634.40/x
  3. Step 3: Cross multiply
    2,502.72x = 3,749.18 × 1,634.40
  4. Step 4: Simplify right side
    2,502.72x = 6,127,659.79
  5. Step 5: Solve for x
    x = 6,127,659.79/2,502.72
  6. Step 6: Final answer
    x = 2,448.40

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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.