Home / 2,923.83-4,034.75-1,728.63

Finding the Fourth Proportional to 2,923.83, 4,034.75 and 1,728.63

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Solution

The fourth proportional to 2,923.83, 4,034.75 and 1,728.63 is: 2,385.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.83 : 4,034.75 = 1,728.63 : x
  2. Step 2: Convert to fraction form
    2,923.83/4,034.75 = 1,728.63/x
  3. Step 3: Cross multiply
    2,923.83x = 4,034.75 × 1,728.63
  4. Step 4: Simplify right side
    2,923.83x = 6,974,581.25
  5. Step 5: Solve for x
    x = 6,974,581.25/2,923.83
  6. Step 6: Final answer
    x = 2,385.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.