Home / 2,476.89-3,418-1,357.80

Finding the Fourth Proportional to 2,476.89, 3,418 and 1,357.80

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Solution

The fourth proportional to 2,476.89, 3,418 and 1,357.80 is: 1,873.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.89 : 3,418 = 1,357.80 : x
  2. Step 2: Convert to fraction form
    2,476.89/3,418 = 1,357.80/x
  3. Step 3: Cross multiply
    2,476.89x = 3,418 × 1,357.80
  4. Step 4: Simplify right side
    2,476.89x = 4,640,960.40
  5. Step 5: Solve for x
    x = 4,640,960.40/2,476.89
  6. Step 6: Final answer
    x = 1,873.70

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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.