Home / 2,480.76-3,717.56-1,370.40

Finding the Fourth Proportional to 2,480.76, 3,717.56 and 1,370.40

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Solution

The fourth proportional to 2,480.76, 3,717.56 and 1,370.40 is: 2,053.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.76 : 3,717.56 = 1,370.40 : x
  2. Step 2: Convert to fraction form
    2,480.76/3,717.56 = 1,370.40/x
  3. Step 3: Cross multiply
    2,480.76x = 3,717.56 × 1,370.40
  4. Step 4: Simplify right side
    2,480.76x = 5,094,537.37
  5. Step 5: Solve for x
    x = 5,094,537.37/2,480.76
  6. Step 6: Final answer
    x = 2,053.62

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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.