Home / 1,934.04-2,670.28-1,272.02

Finding the Fourth Proportional to 1,934.04, 2,670.28 and 1,272.02

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Solution

The fourth proportional to 1,934.04, 2,670.28 and 1,272.02 is: 1,756.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.04 : 2,670.28 = 1,272.02 : x
  2. Step 2: Convert to fraction form
    1,934.04/2,670.28 = 1,272.02/x
  3. Step 3: Cross multiply
    1,934.04x = 2,670.28 × 1,272.02
  4. Step 4: Simplify right side
    1,934.04x = 3,396,649.57
  5. Step 5: Solve for x
    x = 3,396,649.57/1,934.04
  6. Step 6: Final answer
    x = 1,756.25

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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.