Home / 3,090.90-4,630.93-2,574.22

Finding the Fourth Proportional to 3,090.90, 4,630.93 and 2,574.22

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Solution

The fourth proportional to 3,090.90, 4,630.93 and 2,574.22 is: 3,856.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.90 : 4,630.93 = 2,574.22 : x
  2. Step 2: Convert to fraction form
    3,090.90/4,630.93 = 2,574.22/x
  3. Step 3: Cross multiply
    3,090.90x = 4,630.93 × 2,574.22
  4. Step 4: Simplify right side
    3,090.90x = 11,921,032.62
  5. Step 5: Solve for x
    x = 11,921,032.62/3,090.90
  6. Step 6: Final answer
    x = 3,856.82

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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.