Home / 4,202.84-6,302.43-1,280.46

Finding the Fourth Proportional to 4,202.84, 6,302.43 and 1,280.46

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Solution

The fourth proportional to 4,202.84, 6,302.43 and 1,280.46 is: 1,920.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,202.84 : 6,302.43 = 1,280.46 : x
  2. Step 2: Convert to fraction form
    4,202.84/6,302.43 = 1,280.46/x
  3. Step 3: Cross multiply
    4,202.84x = 6,302.43 × 1,280.46
  4. Step 4: Simplify right side
    4,202.84x = 8,070,009.52
  5. Step 5: Solve for x
    x = 8,070,009.52/4,202.84
  6. Step 6: Final answer
    x = 1,920.13

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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.