Home / 2,715.24-3,749.07-2,400.86

Finding the Fourth Proportional to 2,715.24, 3,749.07 and 2,400.86

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Solution

The fourth proportional to 2,715.24, 3,749.07 and 2,400.86 is: 3,314.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.24 : 3,749.07 = 2,400.86 : x
  2. Step 2: Convert to fraction form
    2,715.24/3,749.07 = 2,400.86/x
  3. Step 3: Cross multiply
    2,715.24x = 3,749.07 × 2,400.86
  4. Step 4: Simplify right side
    2,715.24x = 9,000,973.45
  5. Step 5: Solve for x
    x = 9,000,973.45/2,715.24
  6. Step 6: Final answer
    x = 3,314.98

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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.