Home / 3,048.52-4,206.98-1,651.28

Finding the Fourth Proportional to 3,048.52, 4,206.98 and 1,651.28

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Solution

The fourth proportional to 3,048.52, 4,206.98 and 1,651.28 is: 2,278.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.52 : 4,206.98 = 1,651.28 : x
  2. Step 2: Convert to fraction form
    3,048.52/4,206.98 = 1,651.28/x
  3. Step 3: Cross multiply
    3,048.52x = 4,206.98 × 1,651.28
  4. Step 4: Simplify right side
    3,048.52x = 6,946,901.93
  5. Step 5: Solve for x
    x = 6,946,901.93/3,048.52
  6. Step 6: Final answer
    x = 2,278.78

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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.