Home / 3,090.54-4,264.16-2,042.40

Finding the Fourth Proportional to 3,090.54, 4,264.16 and 2,042.40

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Solution

The fourth proportional to 3,090.54, 4,264.16 and 2,042.40 is: 2,817.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.54 : 4,264.16 = 2,042.40 : x
  2. Step 2: Convert to fraction form
    3,090.54/4,264.16 = 2,042.40/x
  3. Step 3: Cross multiply
    3,090.54x = 4,264.16 × 2,042.40
  4. Step 4: Simplify right side
    3,090.54x = 8,709,120.38
  5. Step 5: Solve for x
    x = 8,709,120.38/3,090.54
  6. Step 6: Final answer
    x = 2,817.99

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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.