Home / 2,440.32-3,661.60-1,054.08

Finding the Fourth Proportional to 2,440.32, 3,661.60 and 1,054.08

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Solution

The fourth proportional to 2,440.32, 3,661.60 and 1,054.08 is: 1,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.32 : 3,661.60 = 1,054.08 : x
  2. Step 2: Convert to fraction form
    2,440.32/3,661.60 = 1,054.08/x
  3. Step 3: Cross multiply
    2,440.32x = 3,661.60 × 1,054.08
  4. Step 4: Simplify right side
    2,440.32x = 3,859,619.33
  5. Step 5: Solve for x
    x = 3,859,619.33/2,440.32
  6. Step 6: Final answer
    x = 1,581.60

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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.