Home / 1,934.10-2,669.22-1,148.40

Finding the Fourth Proportional to 1,934.10, 2,669.22 and 1,148.40

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Solution

The fourth proportional to 1,934.10, 2,669.22 and 1,148.40 is: 1,584.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.10 : 2,669.22 = 1,148.40 : x
  2. Step 2: Convert to fraction form
    1,934.10/2,669.22 = 1,148.40/x
  3. Step 3: Cross multiply
    1,934.10x = 2,669.22 × 1,148.40
  4. Step 4: Simplify right side
    1,934.10x = 3,065,332.25
  5. Step 5: Solve for x
    x = 3,065,332.25/1,934.10
  6. Step 6: Final answer
    x = 1,584.89

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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.