Home / 1,341.67-2,012.23-1,124.59

Finding the Fourth Proportional to 1,341.67, 2,012.23 and 1,124.59

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Solution

The fourth proportional to 1,341.67, 2,012.23 and 1,124.59 is: 1,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.67 : 2,012.23 = 1,124.59 : x
  2. Step 2: Convert to fraction form
    1,341.67/2,012.23 = 1,124.59/x
  3. Step 3: Cross multiply
    1,341.67x = 2,012.23 × 1,124.59
  4. Step 4: Simplify right side
    1,341.67x = 2,262,933.74
  5. Step 5: Solve for x
    x = 2,262,933.74/1,341.67
  6. Step 6: Final answer
    x = 1,686.65

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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.