Home / 4,038.90-6,060.42-2,090.70

Finding the Fourth Proportional to 4,038.90, 6,060.42 and 2,090.70

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Solution

The fourth proportional to 4,038.90, 6,060.42 and 2,090.70 is: 3,137.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.90 : 6,060.42 = 2,090.70 : x
  2. Step 2: Convert to fraction form
    4,038.90/6,060.42 = 2,090.70/x
  3. Step 3: Cross multiply
    4,038.90x = 6,060.42 × 2,090.70
  4. Step 4: Simplify right side
    4,038.90x = 12,670,520.09
  5. Step 5: Solve for x
    x = 12,670,520.09/4,038.90
  6. Step 6: Final answer
    x = 3,137.12

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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.