Home / 3,435.35-4,730.60-2,910.47

Finding the Fourth Proportional to 3,435.35, 4,730.60 and 2,910.47

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Solution

The fourth proportional to 3,435.35, 4,730.60 and 2,910.47 is: 4,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.35 : 4,730.60 = 2,910.47 : x
  2. Step 2: Convert to fraction form
    3,435.35/4,730.60 = 2,910.47/x
  3. Step 3: Cross multiply
    3,435.35x = 4,730.60 × 2,910.47
  4. Step 4: Simplify right side
    3,435.35x = 13,768,253.01
  5. Step 5: Solve for x
    x = 13,768,253.01/3,435.35
  6. Step 6: Final answer
    x = 4,007.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.