Home / 2,250.95-3,106.26-1,256.18

Finding the Fourth Proportional to 2,250.95, 3,106.26 and 1,256.18

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Solution

The fourth proportional to 2,250.95, 3,106.26 and 1,256.18 is: 1,733.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.95 : 3,106.26 = 1,256.18 : x
  2. Step 2: Convert to fraction form
    2,250.95/3,106.26 = 1,256.18/x
  3. Step 3: Cross multiply
    2,250.95x = 3,106.26 × 1,256.18
  4. Step 4: Simplify right side
    2,250.95x = 3,902,006.16
  5. Step 5: Solve for x
    x = 3,902,006.16/2,250.95
  6. Step 6: Final answer
    x = 1,733.50

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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.