Home / 2,239.14-3,358.08-778.26

Finding the Fourth Proportional to 2,239.14, 3,358.08 and 778.26

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Solution

The fourth proportional to 2,239.14, 3,358.08 and 778.26 is: 1,167.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.14 : 3,358.08 = 778.26 : x
  2. Step 2: Convert to fraction form
    2,239.14/3,358.08 = 778.26/x
  3. Step 3: Cross multiply
    2,239.14x = 3,358.08 × 778.26
  4. Step 4: Simplify right side
    2,239.14x = 2,613,459.34
  5. Step 5: Solve for x
    x = 2,613,459.34/2,239.14
  6. Step 6: Final answer
    x = 1,167.17

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1.5x scale

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.