Home / 1,274.24-1,911.62-616.58

Finding the Fourth Proportional to 1,274.24, 1,911.62 and 616.58

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Solution

The fourth proportional to 1,274.24, 1,911.62 and 616.58 is: 925.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274.24 : 1,911.62 = 616.58 : x
  2. Step 2: Convert to fraction form
    1,274.24/1,911.62 = 616.58/x
  3. Step 3: Cross multiply
    1,274.24x = 1,911.62 × 616.58
  4. Step 4: Simplify right side
    1,274.24x = 1,178,666.66
  5. Step 5: Solve for x
    x = 1,178,666.66/1,274.24
  6. Step 6: Final answer
    x = 925.00

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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.