Home / 3,066.64-4,231.88-1,669.36

Finding the Fourth Proportional to 3,066.64, 4,231.88 and 1,669.36

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Solution

The fourth proportional to 3,066.64, 4,231.88 and 1,669.36 is: 2,303.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.64 : 4,231.88 = 1,669.36 : x
  2. Step 2: Convert to fraction form
    3,066.64/4,231.88 = 1,669.36/x
  3. Step 3: Cross multiply
    3,066.64x = 4,231.88 × 1,669.36
  4. Step 4: Simplify right side
    3,066.64x = 7,064,531.20
  5. Step 5: Solve for x
    x = 7,064,531.20/3,066.64
  6. Step 6: Final answer
    x = 2,303.67

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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.