Home / 4,145.65-5,721.30-2,377.52

Finding the Fourth Proportional to 4,145.65, 5,721.30 and 2,377.52

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Solution

The fourth proportional to 4,145.65, 5,721.30 and 2,377.52 is: 3,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.65 : 5,721.30 = 2,377.52 : x
  2. Step 2: Convert to fraction form
    4,145.65/5,721.30 = 2,377.52/x
  3. Step 3: Cross multiply
    4,145.65x = 5,721.30 × 2,377.52
  4. Step 4: Simplify right side
    4,145.65x = 13,602,498.02
  5. Step 5: Solve for x
    x = 13,602,498.02/4,145.65
  6. Step 6: Final answer
    x = 3,281.15

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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.