Home / 2,671.89-3,683.84-1,726.08

Finding the Fourth Proportional to 2,671.89, 3,683.84 and 1,726.08

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Solution

The fourth proportional to 2,671.89, 3,683.84 and 1,726.08 is: 2,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.89 : 3,683.84 = 1,726.08 : x
  2. Step 2: Convert to fraction form
    2,671.89/3,683.84 = 1,726.08/x
  3. Step 3: Cross multiply
    2,671.89x = 3,683.84 × 1,726.08
  4. Step 4: Simplify right side
    2,671.89x = 6,358,593.92
  5. Step 5: Solve for x
    x = 6,358,593.92/2,671.89
  6. Step 6: Final answer
    x = 2,379.81

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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.