Home / 2,801.66-4,199.72-1,159.11

Finding the Fourth Proportional to 2,801.66, 4,199.72 and 1,159.11

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Solution

The fourth proportional to 2,801.66, 4,199.72 and 1,159.11 is: 1,737.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.66 : 4,199.72 = 1,159.11 : x
  2. Step 2: Convert to fraction form
    2,801.66/4,199.72 = 1,159.11/x
  3. Step 3: Cross multiply
    2,801.66x = 4,199.72 × 1,159.11
  4. Step 4: Simplify right side
    2,801.66x = 4,867,931.65
  5. Step 5: Solve for x
    x = 4,867,931.65/2,801.66
  6. Step 6: Final answer
    x = 1,737.52

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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.