Home / 1,642.33-2,266.01-1,053.67

Finding the Fourth Proportional to 1,642.33, 2,266.01 and 1,053.67

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Solution

The fourth proportional to 1,642.33, 2,266.01 and 1,053.67 is: 1,453.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642.33 : 2,266.01 = 1,053.67 : x
  2. Step 2: Convert to fraction form
    1,642.33/2,266.01 = 1,053.67/x
  3. Step 3: Cross multiply
    1,642.33x = 2,266.01 × 1,053.67
  4. Step 4: Simplify right side
    1,642.33x = 2,387,614.11
  5. Step 5: Solve for x
    x = 2,387,614.11/1,642.33
  6. Step 6: Final answer
    x = 1,453.79

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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.