Home / 4,243.65-5,856.84-2,565.30

Finding the Fourth Proportional to 4,243.65, 5,856.84 and 2,565.30

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Solution

The fourth proportional to 4,243.65, 5,856.84 and 2,565.30 is: 3,540.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.65 : 5,856.84 = 2,565.30 : x
  2. Step 2: Convert to fraction form
    4,243.65/5,856.84 = 2,565.30/x
  3. Step 3: Cross multiply
    4,243.65x = 5,856.84 × 2,565.30
  4. Step 4: Simplify right side
    4,243.65x = 15,024,551.65
  5. Step 5: Solve for x
    x = 15,024,551.65/4,243.65
  6. Step 6: Final answer
    x = 3,540.48

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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.