Home / 2,440.32-3,661.08-1,208.31

Finding the Fourth Proportional to 2,440.32, 3,661.08 and 1,208.31

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Solution

The fourth proportional to 2,440.32, 3,661.08 and 1,208.31 is: 1,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.32 : 3,661.08 = 1,208.31 : x
  2. Step 2: Convert to fraction form
    2,440.32/3,661.08 = 1,208.31/x
  3. Step 3: Cross multiply
    2,440.32x = 3,661.08 × 1,208.31
  4. Step 4: Simplify right side
    2,440.32x = 4,423,719.57
  5. Step 5: Solve for x
    x = 4,423,719.57/2,440.32
  6. Step 6: Final answer
    x = 1,812.76

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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.