Home / 2,400.60-3,312.76-1,338.36

Finding the Fourth Proportional to 2,400.60, 3,312.76 and 1,338.36

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Solution

The fourth proportional to 2,400.60, 3,312.76 and 1,338.36 is: 1,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.60 : 3,312.76 = 1,338.36 : x
  2. Step 2: Convert to fraction form
    2,400.60/3,312.76 = 1,338.36/x
  3. Step 3: Cross multiply
    2,400.60x = 3,312.76 × 1,338.36
  4. Step 4: Simplify right side
    2,400.60x = 4,433,665.47
  5. Step 5: Solve for x
    x = 4,433,665.47/2,400.60
  6. Step 6: Final answer
    x = 1,846.90

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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.