Home / 3,048.95-4,207.49-1,722.71

Finding the Fourth Proportional to 3,048.95, 4,207.49 and 1,722.71

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Solution

The fourth proportional to 3,048.95, 4,207.49 and 1,722.71 is: 2,377.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.95 : 4,207.49 = 1,722.71 : x
  2. Step 2: Convert to fraction form
    3,048.95/4,207.49 = 1,722.71/x
  3. Step 3: Cross multiply
    3,048.95x = 4,207.49 × 1,722.71
  4. Step 4: Simplify right side
    3,048.95x = 7,248,285.10
  5. Step 5: Solve for x
    x = 7,248,285.10/3,048.95
  6. Step 6: Final answer
    x = 2,377.31

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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.