Home / 4,090.74-5,646.30-2,520.14

Finding the Fourth Proportional to 4,090.74, 5,646.30 and 2,520.14

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Solution

The fourth proportional to 4,090.74, 5,646.30 and 2,520.14 is: 3,478.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.74 : 5,646.30 = 2,520.14 : x
  2. Step 2: Convert to fraction form
    4,090.74/5,646.30 = 2,520.14/x
  3. Step 3: Cross multiply
    4,090.74x = 5,646.30 × 2,520.14
  4. Step 4: Simplify right side
    4,090.74x = 14,229,466.48
  5. Step 5: Solve for x
    x = 14,229,466.48/4,090.74
  6. Step 6: Final answer
    x = 3,478.46

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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.