Home / 1,856.20-2,563.28-1,194.21

Finding the Fourth Proportional to 1,856.20, 2,563.28 and 1,194.21

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Solution

The fourth proportional to 1,856.20, 2,563.28 and 1,194.21 is: 1,649.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.20 : 2,563.28 = 1,194.21 : x
  2. Step 2: Convert to fraction form
    1,856.20/2,563.28 = 1,194.21/x
  3. Step 3: Cross multiply
    1,856.20x = 2,563.28 × 1,194.21
  4. Step 4: Simplify right side
    1,856.20x = 3,061,094.61
  5. Step 5: Solve for x
    x = 3,061,094.61/1,856.20
  6. Step 6: Final answer
    x = 1,649.12

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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.