Home / 3,555.07-4,905.66-3,435.64

Finding the Fourth Proportional to 3,555.07, 4,905.66 and 3,435.64

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Solution

The fourth proportional to 3,555.07, 4,905.66 and 3,435.64 is: 4,740.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.07 : 4,905.66 = 3,435.64 : x
  2. Step 2: Convert to fraction form
    3,555.07/4,905.66 = 3,435.64/x
  3. Step 3: Cross multiply
    3,555.07x = 4,905.66 × 3,435.64
  4. Step 4: Simplify right side
    3,555.07x = 16,854,081.72
  5. Step 5: Solve for x
    x = 16,854,081.72/3,555.07
  6. Step 6: Final answer
    x = 4,740.86

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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.