Home / 1,374.98-2,059.74-1,113.66

Finding the Fourth Proportional to 1,374.98, 2,059.74 and 1,113.66

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Solution

The fourth proportional to 1,374.98, 2,059.74 and 1,113.66 is: 1,668.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374.98 : 2,059.74 = 1,113.66 : x
  2. Step 2: Convert to fraction form
    1,374.98/2,059.74 = 1,113.66/x
  3. Step 3: Cross multiply
    1,374.98x = 2,059.74 × 1,113.66
  4. Step 4: Simplify right side
    1,374.98x = 2,293,834.18
  5. Step 5: Solve for x
    x = 2,293,834.18/1,374.98
  6. Step 6: Final answer
    x = 1,668.27

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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.