Home / 2,411.81-3,618.95-1,826.61

Finding the Fourth Proportional to 2,411.81, 3,618.95 and 1,826.61

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Solution

The fourth proportional to 2,411.81, 3,618.95 and 1,826.61 is: 2,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,411.81 : 3,618.95 = 1,826.61 : x
  2. Step 2: Convert to fraction form
    2,411.81/3,618.95 = 1,826.61/x
  3. Step 3: Cross multiply
    2,411.81x = 3,618.95 × 1,826.61
  4. Step 4: Simplify right side
    2,411.81x = 6,610,401.13
  5. Step 5: Solve for x
    x = 6,610,401.13/2,411.81
  6. Step 6: Final answer
    x = 2,740.85

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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.