Home / 4,015.81-5,545.01-2,672.71

Finding the Fourth Proportional to 4,015.81, 5,545.01 and 2,672.71

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Solution

The fourth proportional to 4,015.81, 5,545.01 and 2,672.71 is: 3,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.81 : 5,545.01 = 2,672.71 : x
  2. Step 2: Convert to fraction form
    4,015.81/5,545.01 = 2,672.71/x
  3. Step 3: Cross multiply
    4,015.81x = 5,545.01 × 2,672.71
  4. Step 4: Simplify right side
    4,015.81x = 14,820,190.31
  5. Step 5: Solve for x
    x = 14,820,190.31/4,015.81
  6. Step 6: Final answer
    x = 3,690.46

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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.