Home / 2,693.81-3,717.71-1,575.11

Finding the Fourth Proportional to 2,693.81, 3,717.71 and 1,575.11

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Solution

The fourth proportional to 2,693.81, 3,717.71 and 1,575.11 is: 2,173.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.81 : 3,717.71 = 1,575.11 : x
  2. Step 2: Convert to fraction form
    2,693.81/3,717.71 = 1,575.11/x
  3. Step 3: Cross multiply
    2,693.81x = 3,717.71 × 1,575.11
  4. Step 4: Simplify right side
    2,693.81x = 5,855,775.73
  5. Step 5: Solve for x
    x = 5,855,775.73/2,693.81
  6. Step 6: Final answer
    x = 2,173.79

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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.