Home / 1,785.34-2,680.98-1,204.08

Finding the Fourth Proportional to 1,785.34, 2,680.98 and 1,204.08

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Solution

The fourth proportional to 1,785.34, 2,680.98 and 1,204.08 is: 1,808.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.34 : 2,680.98 = 1,204.08 : x
  2. Step 2: Convert to fraction form
    1,785.34/2,680.98 = 1,204.08/x
  3. Step 3: Cross multiply
    1,785.34x = 2,680.98 × 1,204.08
  4. Step 4: Simplify right side
    1,785.34x = 3,228,108.38
  5. Step 5: Solve for x
    x = 3,228,108.38/1,785.34
  6. Step 6: Final answer
    x = 1,808.12

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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.