Home / 2,424.24-3,338.28-2,113.20

Finding the Fourth Proportional to 2,424.24, 3,338.28 and 2,113.20

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Solution

The fourth proportional to 2,424.24, 3,338.28 and 2,113.20 is: 2,909.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.24 : 3,338.28 = 2,113.20 : x
  2. Step 2: Convert to fraction form
    2,424.24/3,338.28 = 2,113.20/x
  3. Step 3: Cross multiply
    2,424.24x = 3,338.28 × 2,113.20
  4. Step 4: Simplify right side
    2,424.24x = 7,054,453.30
  5. Step 5: Solve for x
    x = 7,054,453.30/2,424.24
  6. Step 6: Final answer
    x = 2,909.96

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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.