Home / 3,008.04-4,151.09-1,681.77

Finding the Fourth Proportional to 3,008.04, 4,151.09 and 1,681.77

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Solution

The fourth proportional to 3,008.04, 4,151.09 and 1,681.77 is: 2,320.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.04 : 4,151.09 = 1,681.77 : x
  2. Step 2: Convert to fraction form
    3,008.04/4,151.09 = 1,681.77/x
  3. Step 3: Cross multiply
    3,008.04x = 4,151.09 × 1,681.77
  4. Step 4: Simplify right side
    3,008.04x = 6,981,167.27
  5. Step 5: Solve for x
    x = 6,981,167.27/3,008.04
  6. Step 6: Final answer
    x = 2,320.84

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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.