Home / 2,377.94-3,281.50-1,315.68

Finding the Fourth Proportional to 2,377.94, 3,281.50 and 1,315.68

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Solution

The fourth proportional to 2,377.94, 3,281.50 and 1,315.68 is: 1,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.94 : 3,281.50 = 1,315.68 : x
  2. Step 2: Convert to fraction form
    2,377.94/3,281.50 = 1,315.68/x
  3. Step 3: Cross multiply
    2,377.94x = 3,281.50 × 1,315.68
  4. Step 4: Simplify right side
    2,377.94x = 4,317,400.63
  5. Step 5: Solve for x
    x = 4,317,400.63/2,377.94
  6. Step 6: Final answer
    x = 1,815.60

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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.