Home / 1,479.17-2,035.23-1,212.64

Finding the Fourth Proportional to 1,479.17, 2,035.23 and 1,212.64

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Solution

The fourth proportional to 1,479.17, 2,035.23 and 1,212.64 is: 1,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.17 : 2,035.23 = 1,212.64 : x
  2. Step 2: Convert to fraction form
    1,479.17/2,035.23 = 1,212.64/x
  3. Step 3: Cross multiply
    1,479.17x = 2,035.23 × 1,212.64
  4. Step 4: Simplify right side
    1,479.17x = 2,468,001.31
  5. Step 5: Solve for x
    x = 2,468,001.31/1,479.17
  6. Step 6: Final answer
    x = 1,668.50

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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.