Home / 1,722.48-2,377.86-1,059.48

Finding the Fourth Proportional to 1,722.48, 2,377.86 and 1,059.48

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Solution

The fourth proportional to 1,722.48, 2,377.86 and 1,059.48 is: 1,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.48 : 2,377.86 = 1,059.48 : x
  2. Step 2: Convert to fraction form
    1,722.48/2,377.86 = 1,059.48/x
  3. Step 3: Cross multiply
    1,722.48x = 2,377.86 × 1,059.48
  4. Step 4: Simplify right side
    1,722.48x = 2,519,295.11
  5. Step 5: Solve for x
    x = 2,519,295.11/1,722.48
  6. Step 6: Final answer
    x = 1,462.60

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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.