Home / 4,066.90-5,612.28-2,203.90

Finding the Fourth Proportional to 4,066.90, 5,612.28 and 2,203.90

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Solution

The fourth proportional to 4,066.90, 5,612.28 and 2,203.90 is: 3,041.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,066.90 : 5,612.28 = 2,203.90 : x
  2. Step 2: Convert to fraction form
    4,066.90/5,612.28 = 2,203.90/x
  3. Step 3: Cross multiply
    4,066.90x = 5,612.28 × 2,203.90
  4. Step 4: Simplify right side
    4,066.90x = 12,368,903.89
  5. Step 5: Solve for x
    x = 12,368,903.89/4,066.90
  6. Step 6: Final answer
    x = 3,041.36

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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.