Home / 1,864.32-2,794.24-1,718.40

Finding the Fourth Proportional to 1,864.32, 2,794.24 and 1,718.40

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Solution

The fourth proportional to 1,864.32, 2,794.24 and 1,718.40 is: 2,575.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.32 : 2,794.24 = 1,718.40 : x
  2. Step 2: Convert to fraction form
    1,864.32/2,794.24 = 1,718.40/x
  3. Step 3: Cross multiply
    1,864.32x = 2,794.24 × 1,718.40
  4. Step 4: Simplify right side
    1,864.32x = 4,801,622.02
  5. Step 5: Solve for x
    x = 4,801,622.02/1,864.32
  6. Step 6: Final answer
    x = 2,575.54

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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.