Home / 4,201.75-6,303.57-1,280.29

Finding the Fourth Proportional to 4,201.75, 6,303.57 and 1,280.29

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Solution

The fourth proportional to 4,201.75, 6,303.57 and 1,280.29 is: 1,920.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.75 : 6,303.57 = 1,280.29 : x
  2. Step 2: Convert to fraction form
    4,201.75/6,303.57 = 1,280.29/x
  3. Step 3: Cross multiply
    4,201.75x = 6,303.57 × 1,280.29
  4. Step 4: Simplify right side
    4,201.75x = 8,070,397.64
  5. Step 5: Solve for x
    x = 8,070,397.64/4,201.75
  6. Step 6: Final answer
    x = 1,920.72

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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.