Home / 3,420.94-5,152.15-3,035.74

Finding the Fourth Proportional to 3,420.94, 5,152.15 and 3,035.74

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Solution

The fourth proportional to 3,420.94, 5,152.15 and 3,035.74 is: 4,572.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.94 : 5,152.15 = 3,035.74 : x
  2. Step 2: Convert to fraction form
    3,420.94/5,152.15 = 3,035.74/x
  3. Step 3: Cross multiply
    3,420.94x = 5,152.15 × 3,035.74
  4. Step 4: Simplify right side
    3,420.94x = 15,640,587.84
  5. Step 5: Solve for x
    x = 15,640,587.84/3,420.94
  6. Step 6: Final answer
    x = 4,572.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.