Home / 2,319.32-3,477.96-1,085.74

Finding the Fourth Proportional to 2,319.32, 3,477.96 and 1,085.74

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Solution

The fourth proportional to 2,319.32, 3,477.96 and 1,085.74 is: 1,628.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.32 : 3,477.96 = 1,085.74 : x
  2. Step 2: Convert to fraction form
    2,319.32/3,477.96 = 1,085.74/x
  3. Step 3: Cross multiply
    2,319.32x = 3,477.96 × 1,085.74
  4. Step 4: Simplify right side
    2,319.32x = 3,776,151.60
  5. Step 5: Solve for x
    x = 3,776,151.60/2,319.32
  6. Step 6: Final answer
    x = 1,628.13

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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.