Home / 3,133.35-4,697.19-1,284.12

Finding the Fourth Proportional to 3,133.35, 4,697.19 and 1,284.12

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Solution

The fourth proportional to 3,133.35, 4,697.19 and 1,284.12 is: 1,925.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.35 : 4,697.19 = 1,284.12 : x
  2. Step 2: Convert to fraction form
    3,133.35/4,697.19 = 1,284.12/x
  3. Step 3: Cross multiply
    3,133.35x = 4,697.19 × 1,284.12
  4. Step 4: Simplify right side
    3,133.35x = 6,031,749.20
  5. Step 5: Solve for x
    x = 6,031,749.20/3,133.35
  6. Step 6: Final answer
    x = 1,925.02

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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.