Home / 1,516.23-2,274.35-694.28

Finding the Fourth Proportional to 1,516.23, 2,274.35 and 694.28

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Solution

The fourth proportional to 1,516.23, 2,274.35 and 694.28 is: 1,041.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.23 : 2,274.35 = 694.28 : x
  2. Step 2: Convert to fraction form
    1,516.23/2,274.35 = 694.28/x
  3. Step 3: Cross multiply
    1,516.23x = 2,274.35 × 694.28
  4. Step 4: Simplify right side
    1,516.23x = 1,579,035.72
  5. Step 5: Solve for x
    x = 1,579,035.72/1,516.23
  6. Step 6: Final answer
    x = 1,041.42

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1.5x scale

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.