Home / 3,214.92-4,820.40-1,264.92

Finding the Fourth Proportional to 3,214.92, 4,820.40 and 1,264.92

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Solution

The fourth proportional to 3,214.92, 4,820.40 and 1,264.92 is: 1,896.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.92 : 4,820.40 = 1,264.92 : x
  2. Step 2: Convert to fraction form
    3,214.92/4,820.40 = 1,264.92/x
  3. Step 3: Cross multiply
    3,214.92x = 4,820.40 × 1,264.92
  4. Step 4: Simplify right side
    3,214.92x = 6,097,420.37
  5. Step 5: Solve for x
    x = 6,097,420.37/3,214.92
  6. Step 6: Final answer
    x = 1,896.60

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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.