Home / 1,926.36-2,658.37-1,042.16

Finding the Fourth Proportional to 1,926.36, 2,658.37 and 1,042.16

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Solution

The fourth proportional to 1,926.36, 2,658.37 and 1,042.16 is: 1,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.36 : 2,658.37 = 1,042.16 : x
  2. Step 2: Convert to fraction form
    1,926.36/2,658.37 = 1,042.16/x
  3. Step 3: Cross multiply
    1,926.36x = 2,658.37 × 1,042.16
  4. Step 4: Simplify right side
    1,926.36x = 2,770,440.23
  5. Step 5: Solve for x
    x = 2,770,440.23/1,926.36
  6. Step 6: Final answer
    x = 1,438.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.