Home / 3,873.38-5,810.67-1,407.74

Finding the Fourth Proportional to 3,873.38, 5,810.67 and 1,407.74

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Solution

The fourth proportional to 3,873.38, 5,810.67 and 1,407.74 is: 2,111.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.38 : 5,810.67 = 1,407.74 : x
  2. Step 2: Convert to fraction form
    3,873.38/5,810.67 = 1,407.74/x
  3. Step 3: Cross multiply
    3,873.38x = 5,810.67 × 1,407.74
  4. Step 4: Simplify right side
    3,873.38x = 8,179,883.53
  5. Step 5: Solve for x
    x = 8,179,883.53/3,873.38
  6. Step 6: Final answer
    x = 2,111.82

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1.5x scale

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.