Home / 3,006.40-4,150.26-1,887.92

Finding the Fourth Proportional to 3,006.40, 4,150.26 and 1,887.92

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Solution

The fourth proportional to 3,006.40, 4,150.26 and 1,887.92 is: 2,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.40 : 4,150.26 = 1,887.92 : x
  2. Step 2: Convert to fraction form
    3,006.40/4,150.26 = 1,887.92/x
  3. Step 3: Cross multiply
    3,006.40x = 4,150.26 × 1,887.92
  4. Step 4: Simplify right side
    3,006.40x = 7,835,358.86
  5. Step 5: Solve for x
    x = 7,835,358.86/3,006.40
  6. Step 6: Final answer
    x = 2,606.23

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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.