Home / 2,377.29-3,280.53-1,315.00

Finding the Fourth Proportional to 2,377.29, 3,280.53 and 1,315.00

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Solution

The fourth proportional to 2,377.29, 3,280.53 and 1,315.00 is: 1,814.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.29 : 3,280.53 = 1,315.00 : x
  2. Step 2: Convert to fraction form
    2,377.29/3,280.53 = 1,315.00/x
  3. Step 3: Cross multiply
    2,377.29x = 3,280.53 × 1,315.00
  4. Step 4: Simplify right side
    2,377.29x = 4,313,888.75
  5. Step 5: Solve for x
    x = 4,313,888.75/2,377.29
  6. Step 6: Final answer
    x = 1,814.62

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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.