Home / 3,048.25-4,206.77-1,721.92

Finding the Fourth Proportional to 3,048.25, 4,206.77 and 1,721.92

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Solution

The fourth proportional to 3,048.25, 4,206.77 and 1,721.92 is: 2,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.25 : 4,206.77 = 1,721.92 : x
  2. Step 2: Convert to fraction form
    3,048.25/4,206.77 = 1,721.92/x
  3. Step 3: Cross multiply
    3,048.25x = 4,206.77 × 1,721.92
  4. Step 4: Simplify right side
    3,048.25x = 7,243,712.79
  5. Step 5: Solve for x
    x = 7,243,712.79/3,048.25
  6. Step 6: Final answer
    x = 2,376.35

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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.