Home / 2,561.81-3,840.66-1,001.52

Finding the Fourth Proportional to 2,561.81, 3,840.66 and 1,001.52

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Solution

The fourth proportional to 2,561.81, 3,840.66 and 1,001.52 is: 1,501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561.81 : 3,840.66 = 1,001.52 : x
  2. Step 2: Convert to fraction form
    2,561.81/3,840.66 = 1,001.52/x
  3. Step 3: Cross multiply
    2,561.81x = 3,840.66 × 1,001.52
  4. Step 4: Simplify right side
    2,561.81x = 3,846,497.80
  5. Step 5: Solve for x
    x = 3,846,497.80/2,561.81
  6. Step 6: Final answer
    x = 1,501.48

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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.