Home / 1,476.05-2,214.08-695.80

Finding the Fourth Proportional to 1,476.05, 2,214.08 and 695.80

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Solution

The fourth proportional to 1,476.05, 2,214.08 and 695.80 is: 1,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.05 : 2,214.08 = 695.80 : x
  2. Step 2: Convert to fraction form
    1,476.05/2,214.08 = 695.80/x
  3. Step 3: Cross multiply
    1,476.05x = 2,214.08 × 695.80
  4. Step 4: Simplify right side
    1,476.05x = 1,540,542.31
  5. Step 5: Solve for x
    x = 1,540,542.31/1,476.05
  6. Step 6: Final answer
    x = 1,043.69

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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.