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Finding the Fourth Proportional to 2,358.78, 3,550.01 and 1,776.79

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Solution

The fourth proportional to 2,358.78, 3,550.01 and 1,776.79 is: 2,674.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.78 : 3,550.01 = 1,776.79 : x
  2. Step 2: Convert to fraction form
    2,358.78/3,550.01 = 1,776.79/x
  3. Step 3: Cross multiply
    2,358.78x = 3,550.01 × 1,776.79
  4. Step 4: Simplify right side
    2,358.78x = 6,307,613.38
  5. Step 5: Solve for x
    x = 6,307,613.38/2,358.78
  6. Step 6: Final answer
    x = 2,674.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.