Home / 2,423.44-3,345.32-1,639.76

Finding the Fourth Proportional to 2,423.44, 3,345.32 and 1,639.76

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Solution

The fourth proportional to 2,423.44, 3,345.32 and 1,639.76 is: 2,263.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.44 : 3,345.32 = 1,639.76 : x
  2. Step 2: Convert to fraction form
    2,423.44/3,345.32 = 1,639.76/x
  3. Step 3: Cross multiply
    2,423.44x = 3,345.32 × 1,639.76
  4. Step 4: Simplify right side
    2,423.44x = 5,485,521.92
  5. Step 5: Solve for x
    x = 5,485,521.92/2,423.44
  6. Step 6: Final answer
    x = 2,263.53

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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.