Home / 1,856.13-2,561.41-1,110.25

Finding the Fourth Proportional to 1,856.13, 2,561.41 and 1,110.25

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Solution

The fourth proportional to 1,856.13, 2,561.41 and 1,110.25 is: 1,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.13 : 2,561.41 = 1,110.25 : x
  2. Step 2: Convert to fraction form
    1,856.13/2,561.41 = 1,110.25/x
  3. Step 3: Cross multiply
    1,856.13x = 2,561.41 × 1,110.25
  4. Step 4: Simplify right side
    1,856.13x = 2,843,805.45
  5. Step 5: Solve for x
    x = 2,843,805.45/1,856.13
  6. Step 6: Final answer
    x = 1,532.12

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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.