Home / 2,577.76-3,867.24-846.28

Finding the Fourth Proportional to 2,577.76, 3,867.24 and 846.28

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Solution

The fourth proportional to 2,577.76, 3,867.24 and 846.28 is: 1,269.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.76 : 3,867.24 = 846.28 : x
  2. Step 2: Convert to fraction form
    2,577.76/3,867.24 = 846.28/x
  3. Step 3: Cross multiply
    2,577.76x = 3,867.24 × 846.28
  4. Step 4: Simplify right side
    2,577.76x = 3,272,767.87
  5. Step 5: Solve for x
    x = 3,272,767.87/2,577.76
  6. Step 6: Final answer
    x = 1,269.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.