Home / 1,856.50-2,561.88-1,110.87

Finding the Fourth Proportional to 1,856.50, 2,561.88 and 1,110.87

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Solution

The fourth proportional to 1,856.50, 2,561.88 and 1,110.87 is: 1,532.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.50 : 2,561.88 = 1,110.87 : x
  2. Step 2: Convert to fraction form
    1,856.50/2,561.88 = 1,110.87/x
  3. Step 3: Cross multiply
    1,856.50x = 2,561.88 × 1,110.87
  4. Step 4: Simplify right side
    1,856.50x = 2,845,919.80
  5. Step 5: Solve for x
    x = 2,845,919.80/1,856.50
  6. Step 6: Final answer
    x = 1,532.95

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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.