Home / 2,319.96-3,475.32-1,085.68

Finding the Fourth Proportional to 2,319.96, 3,475.32 and 1,085.68

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Solution

The fourth proportional to 2,319.96, 3,475.32 and 1,085.68 is: 1,626.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.96 : 3,475.32 = 1,085.68 : x
  2. Step 2: Convert to fraction form
    2,319.96/3,475.32 = 1,085.68/x
  3. Step 3: Cross multiply
    2,319.96x = 3,475.32 × 1,085.68
  4. Step 4: Simplify right side
    2,319.96x = 3,773,085.42
  5. Step 5: Solve for x
    x = 3,773,085.42/2,319.96
  6. Step 6: Final answer
    x = 1,626.36

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1.5x scale

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.