Home / 2,476.81-3,418.02-1,357.85

Finding the Fourth Proportional to 2,476.81, 3,418.02 and 1,357.85

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Solution

The fourth proportional to 2,476.81, 3,418.02 and 1,357.85 is: 1,873.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.81 : 3,418.02 = 1,357.85 : x
  2. Step 2: Convert to fraction form
    2,476.81/3,418.02 = 1,357.85/x
  3. Step 3: Cross multiply
    2,476.81x = 3,418.02 × 1,357.85
  4. Step 4: Simplify right side
    2,476.81x = 4,641,167.00
  5. Step 5: Solve for x
    x = 4,641,167.00/2,476.81
  6. Step 6: Final answer
    x = 1,873.85

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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.