Home / 2,314.95-3,194.51-1,266.81

Finding the Fourth Proportional to 2,314.95, 3,194.51 and 1,266.81

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Solution

The fourth proportional to 2,314.95, 3,194.51 and 1,266.81 is: 1,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.95 : 3,194.51 = 1,266.81 : x
  2. Step 2: Convert to fraction form
    2,314.95/3,194.51 = 1,266.81/x
  3. Step 3: Cross multiply
    2,314.95x = 3,194.51 × 1,266.81
  4. Step 4: Simplify right side
    2,314.95x = 4,046,830.88
  5. Step 5: Solve for x
    x = 4,046,830.88/2,314.95
  6. Step 6: Final answer
    x = 1,748.13

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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.