Home / 2,427.60-3,328.68-2,369.28

Finding the Fourth Proportional to 2,427.60, 3,328.68 and 2,369.28

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Solution

The fourth proportional to 2,427.60, 3,328.68 and 2,369.28 is: 3,248.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.60 : 3,328.68 = 2,369.28 : x
  2. Step 2: Convert to fraction form
    2,427.60/3,328.68 = 2,369.28/x
  3. Step 3: Cross multiply
    2,427.60x = 3,328.68 × 2,369.28
  4. Step 4: Simplify right side
    2,427.60x = 7,886,574.95
  5. Step 5: Solve for x
    x = 7,886,574.95/2,427.60
  6. Step 6: Final answer
    x = 3,248.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.