Home / 4,002.90-5,996.70-2,153.40

Finding the Fourth Proportional to 4,002.90, 5,996.70 and 2,153.40

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Solution

The fourth proportional to 4,002.90, 5,996.70 and 2,153.40 is: 3,225.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.90 : 5,996.70 = 2,153.40 : x
  2. Step 2: Convert to fraction form
    4,002.90/5,996.70 = 2,153.40/x
  3. Step 3: Cross multiply
    4,002.90x = 5,996.70 × 2,153.40
  4. Step 4: Simplify right side
    4,002.90x = 12,913,293.78
  5. Step 5: Solve for x
    x = 12,913,293.78/4,002.90
  6. Step 6: Final answer
    x = 3,225.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.