Home / 3,365.16-4,643.88-1,872.96

Finding the Fourth Proportional to 3,365.16, 4,643.88 and 1,872.96

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Solution

The fourth proportional to 3,365.16, 4,643.88 and 1,872.96 is: 2,584.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.16 : 4,643.88 = 1,872.96 : x
  2. Step 2: Convert to fraction form
    3,365.16/4,643.88 = 1,872.96/x
  3. Step 3: Cross multiply
    3,365.16x = 4,643.88 × 1,872.96
  4. Step 4: Simplify right side
    3,365.16x = 8,697,801.48
  5. Step 5: Solve for x
    x = 8,697,801.48/3,365.16
  6. Step 6: Final answer
    x = 2,584.66

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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.