Home / 1,114.17-1,670.24-383.58

Finding the Fourth Proportional to 1,114.17, 1,670.24 and 383.58

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Solution

The fourth proportional to 1,114.17, 1,670.24 and 383.58 is: 575.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.17 : 1,670.24 = 383.58 : x
  2. Step 2: Convert to fraction form
    1,114.17/1,670.24 = 383.58/x
  3. Step 3: Cross multiply
    1,114.17x = 1,670.24 × 383.58
  4. Step 4: Simplify right side
    1,114.17x = 640,668.74
  5. Step 5: Solve for x
    x = 640,668.74/1,114.17
  6. Step 6: Final answer
    x = 575.02

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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.