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Finding the Fourth Proportional to 2,341.77, 3,510.49 and 879.92

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Solution

The fourth proportional to 2,341.77, 3,510.49 and 879.92 is: 1,319.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.77 : 3,510.49 = 879.92 : x
  2. Step 2: Convert to fraction form
    2,341.77/3,510.49 = 879.92/x
  3. Step 3: Cross multiply
    2,341.77x = 3,510.49 × 879.92
  4. Step 4: Simplify right side
    2,341.77x = 3,088,950.36
  5. Step 5: Solve for x
    x = 3,088,950.36/2,341.77
  6. Step 6: Final answer
    x = 1,319.07

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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.