Home / 3,415.95-5,124.36-1,224.49

Finding the Fourth Proportional to 3,415.95, 5,124.36 and 1,224.49

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Solution

The fourth proportional to 3,415.95, 5,124.36 and 1,224.49 is: 1,836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.95 : 5,124.36 = 1,224.49 : x
  2. Step 2: Convert to fraction form
    3,415.95/5,124.36 = 1,224.49/x
  3. Step 3: Cross multiply
    3,415.95x = 5,124.36 × 1,224.49
  4. Step 4: Simplify right side
    3,415.95x = 6,274,727.58
  5. Step 5: Solve for x
    x = 6,274,727.58/3,415.95
  6. Step 6: Final answer
    x = 1,836.89

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Double scale
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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.