Home / 2,319.15-3,475.23-1,085.10

Finding the Fourth Proportional to 2,319.15, 3,475.23 and 1,085.10

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Solution

The fourth proportional to 2,319.15, 3,475.23 and 1,085.10 is: 1,626.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.15 : 3,475.23 = 1,085.10 : x
  2. Step 2: Convert to fraction form
    2,319.15/3,475.23 = 1,085.10/x
  3. Step 3: Cross multiply
    2,319.15x = 3,475.23 × 1,085.10
  4. Step 4: Simplify right side
    2,319.15x = 3,770,972.07
  5. Step 5: Solve for x
    x = 3,770,972.07/2,319.15
  6. Step 6: Final answer
    x = 1,626.01

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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.