Home / 2,315.13-3,470.65-1,769.75

Finding the Fourth Proportional to 2,315.13, 3,470.65 and 1,769.75

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Solution

The fourth proportional to 2,315.13, 3,470.65 and 1,769.75 is: 2,653.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.13 : 3,470.65 = 1,769.75 : x
  2. Step 2: Convert to fraction form
    2,315.13/3,470.65 = 1,769.75/x
  3. Step 3: Cross multiply
    2,315.13x = 3,470.65 × 1,769.75
  4. Step 4: Simplify right side
    2,315.13x = 6,142,174.07
  5. Step 5: Solve for x
    x = 6,142,174.07/2,315.13
  6. Step 6: Final answer
    x = 2,653.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.