Home / 2,941.74-4,412.70-750.51

Finding the Fourth Proportional to 2,941.74, 4,412.70 and 750.51

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Solution

The fourth proportional to 2,941.74, 4,412.70 and 750.51 is: 1,125.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.74 : 4,412.70 = 750.51 : x
  2. Step 2: Convert to fraction form
    2,941.74/4,412.70 = 750.51/x
  3. Step 3: Cross multiply
    2,941.74x = 4,412.70 × 750.51
  4. Step 4: Simplify right side
    2,941.74x = 3,311,775.48
  5. Step 5: Solve for x
    x = 3,311,775.48/2,941.74
  6. Step 6: Final answer
    x = 1,125.79

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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.