Home / 3,066.63-4,231.95-1,669.38

Finding the Fourth Proportional to 3,066.63, 4,231.95 and 1,669.38

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Solution

The fourth proportional to 3,066.63, 4,231.95 and 1,669.38 is: 2,303.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.63 : 4,231.95 = 1,669.38 : x
  2. Step 2: Convert to fraction form
    3,066.63/4,231.95 = 1,669.38/x
  3. Step 3: Cross multiply
    3,066.63x = 4,231.95 × 1,669.38
  4. Step 4: Simplify right side
    3,066.63x = 7,064,703.18
  5. Step 5: Solve for x
    x = 7,064,703.18/3,066.63
  6. Step 6: Final answer
    x = 2,303.74

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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.