Home / 3,154.09-4,352.19-1,827.55

Finding the Fourth Proportional to 3,154.09, 4,352.19 and 1,827.55

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Solution

The fourth proportional to 3,154.09, 4,352.19 and 1,827.55 is: 2,521.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.09 : 4,352.19 = 1,827.55 : x
  2. Step 2: Convert to fraction form
    3,154.09/4,352.19 = 1,827.55/x
  3. Step 3: Cross multiply
    3,154.09x = 4,352.19 × 1,827.55
  4. Step 4: Simplify right side
    3,154.09x = 7,953,844.83
  5. Step 5: Solve for x
    x = 7,953,844.83/3,154.09
  6. Step 6: Final answer
    x = 2,521.76

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1.5x scale

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.