Home / 3,008.08-4,151.21-1,681.64

Finding the Fourth Proportional to 3,008.08, 4,151.21 and 1,681.64

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Solution

The fourth proportional to 3,008.08, 4,151.21 and 1,681.64 is: 2,320.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.08 : 4,151.21 = 1,681.64 : x
  2. Step 2: Convert to fraction form
    3,008.08/4,151.21 = 1,681.64/x
  3. Step 3: Cross multiply
    3,008.08x = 4,151.21 × 1,681.64
  4. Step 4: Simplify right side
    3,008.08x = 6,980,842.75
  5. Step 5: Solve for x
    x = 6,980,842.75/3,008.08
  6. Step 6: Final answer
    x = 2,320.70

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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.