Home / 4,145.54-5,721.05-2,377.14

Finding the Fourth Proportional to 4,145.54, 5,721.05 and 2,377.14

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Solution

The fourth proportional to 4,145.54, 5,721.05 and 2,377.14 is: 3,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.54 : 5,721.05 = 2,377.14 : x
  2. Step 2: Convert to fraction form
    4,145.54/5,721.05 = 2,377.14/x
  3. Step 3: Cross multiply
    4,145.54x = 5,721.05 × 2,377.14
  4. Step 4: Simplify right side
    4,145.54x = 13,599,724.91
  5. Step 5: Solve for x
    x = 13,599,724.91/4,145.54
  6. Step 6: Final answer
    x = 3,280.57

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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.