Home / 1,476.18-2,214.57-551.72

Finding the Fourth Proportional to 1,476.18, 2,214.57 and 551.72

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Solution

The fourth proportional to 1,476.18, 2,214.57 and 551.72 is: 827.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.18 : 2,214.57 = 551.72 : x
  2. Step 2: Convert to fraction form
    1,476.18/2,214.57 = 551.72/x
  3. Step 3: Cross multiply
    1,476.18x = 2,214.57 × 551.72
  4. Step 4: Simplify right side
    1,476.18x = 1,221,811.49
  5. Step 5: Solve for x
    x = 1,221,811.49/1,476.18
  6. Step 6: Final answer
    x = 827.68

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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.