Home / 3,435.39-4,740.84-2,020.01

Finding the Fourth Proportional to 3,435.39, 4,740.84 and 2,020.01

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Solution

The fourth proportional to 3,435.39, 4,740.84 and 2,020.01 is: 2,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.39 : 4,740.84 = 2,020.01 : x
  2. Step 2: Convert to fraction form
    3,435.39/4,740.84 = 2,020.01/x
  3. Step 3: Cross multiply
    3,435.39x = 4,740.84 × 2,020.01
  4. Step 4: Simplify right side
    3,435.39x = 9,576,520.50
  5. Step 5: Solve for x
    x = 9,576,520.50/3,435.39
  6. Step 6: Final answer
    x = 2,787.61

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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.