Home / 1,856.25-2,561.63-1,028.41

Finding the Fourth Proportional to 1,856.25, 2,561.63 and 1,028.41

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Solution

The fourth proportional to 1,856.25, 2,561.63 and 1,028.41 is: 1,419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.25 : 2,561.63 = 1,028.41 : x
  2. Step 2: Convert to fraction form
    1,856.25/2,561.63 = 1,028.41/x
  3. Step 3: Cross multiply
    1,856.25x = 2,561.63 × 1,028.41
  4. Step 4: Simplify right side
    1,856.25x = 2,634,400.77
  5. Step 5: Solve for x
    x = 2,634,400.77/1,856.25
  6. Step 6: Final answer
    x = 1,419.21

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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.