Home / 3,003.12-4,142.87-1,883.50

Finding the Fourth Proportional to 3,003.12, 4,142.87 and 1,883.50

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Solution

The fourth proportional to 3,003.12, 4,142.87 and 1,883.50 is: 2,598.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.12 : 4,142.87 = 1,883.50 : x
  2. Step 2: Convert to fraction form
    3,003.12/4,142.87 = 1,883.50/x
  3. Step 3: Cross multiply
    3,003.12x = 4,142.87 × 1,883.50
  4. Step 4: Simplify right side
    3,003.12x = 7,803,074.93
  5. Step 5: Solve for x
    x = 7,803,074.93/3,003.12
  6. Step 6: Final answer
    x = 2,598.32

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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.