Home / 1,516.02-2,274.24-694.28

Finding the Fourth Proportional to 1,516.02, 2,274.24 and 694.28

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Solution

The fourth proportional to 1,516.02, 2,274.24 and 694.28 is: 1,041.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.02 : 2,274.24 = 694.28 : x
  2. Step 2: Convert to fraction form
    1,516.02/2,274.24 = 694.28/x
  3. Step 3: Cross multiply
    1,516.02x = 2,274.24 × 694.28
  4. Step 4: Simplify right side
    1,516.02x = 1,578,959.35
  5. Step 5: Solve for x
    x = 1,578,959.35/1,516.02
  6. Step 6: Final answer
    x = 1,041.52

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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.