Home / 2,941.39-4,412.09-750.30

Finding the Fourth Proportional to 2,941.39, 4,412.09 and 750.30

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Solution

The fourth proportional to 2,941.39, 4,412.09 and 750.30 is: 1,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.39 : 4,412.09 = 750.30 : x
  2. Step 2: Convert to fraction form
    2,941.39/4,412.09 = 750.30/x
  3. Step 3: Cross multiply
    2,941.39x = 4,412.09 × 750.30
  4. Step 4: Simplify right side
    2,941.39x = 3,310,391.13
  5. Step 5: Solve for x
    x = 3,310,391.13/2,941.39
  6. Step 6: Final answer
    x = 1,125.45

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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.