Home / 3,435.18-4,740.84-2,874.66

Finding the Fourth Proportional to 3,435.18, 4,740.84 and 2,874.66

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Solution

The fourth proportional to 3,435.18, 4,740.84 and 2,874.66 is: 3,967.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.18 : 4,740.84 = 2,874.66 : x
  2. Step 2: Convert to fraction form
    3,435.18/4,740.84 = 2,874.66/x
  3. Step 3: Cross multiply
    3,435.18x = 4,740.84 × 2,874.66
  4. Step 4: Simplify right side
    3,435.18x = 13,628,303.11
  5. Step 5: Solve for x
    x = 13,628,303.11/3,435.18
  6. Step 6: Final answer
    x = 3,967.27

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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.