Home / 2,440.60-3,364.38-1,776.40

Finding the Fourth Proportional to 2,440.60, 3,364.38 and 1,776.40

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Solution

The fourth proportional to 2,440.60, 3,364.38 and 1,776.40 is: 2,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.60 : 3,364.38 = 1,776.40 : x
  2. Step 2: Convert to fraction form
    2,440.60/3,364.38 = 1,776.40/x
  3. Step 3: Cross multiply
    2,440.60x = 3,364.38 × 1,776.40
  4. Step 4: Simplify right side
    2,440.60x = 5,976,484.63
  5. Step 5: Solve for x
    x = 5,976,484.63/2,440.60
  6. Step 6: Final answer
    x = 2,448.78

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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.