Home / 1,774.89-2,446.02-1,276.66

Finding the Fourth Proportional to 1,774.89, 2,446.02 and 1,276.66

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Solution

The fourth proportional to 1,774.89, 2,446.02 and 1,276.66 is: 1,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.89 : 2,446.02 = 1,276.66 : x
  2. Step 2: Convert to fraction form
    1,774.89/2,446.02 = 1,276.66/x
  3. Step 3: Cross multiply
    1,774.89x = 2,446.02 × 1,276.66
  4. Step 4: Simplify right side
    1,774.89x = 3,122,742.54
  5. Step 5: Solve for x
    x = 3,122,742.54/1,774.89
  6. Step 6: Final answer
    x = 1,759.40

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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.