Home / 3,048.09-4,206.55-1,721.92

Finding the Fourth Proportional to 3,048.09, 4,206.55 and 1,721.92

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Solution

The fourth proportional to 3,048.09, 4,206.55 and 1,721.92 is: 2,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.09 : 4,206.55 = 1,721.92 : x
  2. Step 2: Convert to fraction form
    3,048.09/4,206.55 = 1,721.92/x
  3. Step 3: Cross multiply
    3,048.09x = 4,206.55 × 1,721.92
  4. Step 4: Simplify right side
    3,048.09x = 7,243,342.58
  5. Step 5: Solve for x
    x = 7,243,342.58/3,048.09
  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.