Home / 4,145.55-5,721.30-2,377.47

Finding the Fourth Proportional to 4,145.55, 5,721.30 and 2,377.47

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Solution

The fourth proportional to 4,145.55, 5,721.30 and 2,377.47 is: 3,281.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.55 : 5,721.30 = 2,377.47 : x
  2. Step 2: Convert to fraction form
    4,145.55/5,721.30 = 2,377.47/x
  3. Step 3: Cross multiply
    4,145.55x = 5,721.30 × 2,377.47
  4. Step 4: Simplify right side
    4,145.55x = 13,602,219.11
  5. Step 5: Solve for x
    x = 13,602,219.11/4,145.55
  6. Step 6: Final answer
    x = 3,281.16

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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.