Home / 2,310.04-3,187.56-1,315.18

Finding the Fourth Proportional to 2,310.04, 3,187.56 and 1,315.18

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Solution

The fourth proportional to 2,310.04, 3,187.56 and 1,315.18 is: 1,814.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.04 : 3,187.56 = 1,315.18 : x
  2. Step 2: Convert to fraction form
    2,310.04/3,187.56 = 1,315.18/x
  3. Step 3: Cross multiply
    2,310.04x = 3,187.56 × 1,315.18
  4. Step 4: Simplify right side
    2,310.04x = 4,192,215.16
  5. Step 5: Solve for x
    x = 4,192,215.16/2,310.04
  6. Step 6: Final answer
    x = 1,814.78

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1.5x scale

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.