Home / 3,203.93-4,421.85-1,878.16

Finding the Fourth Proportional to 3,203.93, 4,421.85 and 1,878.16

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Solution

The fourth proportional to 3,203.93, 4,421.85 and 1,878.16 is: 2,592.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.93 : 4,421.85 = 1,878.16 : x
  2. Step 2: Convert to fraction form
    3,203.93/4,421.85 = 1,878.16/x
  3. Step 3: Cross multiply
    3,203.93x = 4,421.85 × 1,878.16
  4. Step 4: Simplify right side
    3,203.93x = 8,304,941.80
  5. Step 5: Solve for x
    x = 8,304,941.80/3,203.93
  6. Step 6: Final answer
    x = 2,592.11

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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.