Home / 1,883.28-2,820.60-1,015.50

Finding the Fourth Proportional to 1,883.28, 2,820.60 and 1,015.50

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Solution

The fourth proportional to 1,883.28, 2,820.60 and 1,015.50 is: 1,520.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.28 : 2,820.60 = 1,015.50 : x
  2. Step 2: Convert to fraction form
    1,883.28/2,820.60 = 1,015.50/x
  3. Step 3: Cross multiply
    1,883.28x = 2,820.60 × 1,015.50
  4. Step 4: Simplify right side
    1,883.28x = 2,864,319.30
  5. Step 5: Solve for x
    x = 2,864,319.30/1,883.28
  6. Step 6: Final answer
    x = 1,520.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.