Home / 3,346.04-4,619.70-2,151.56

Finding the Fourth Proportional to 3,346.04, 4,619.70 and 2,151.56

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Solution

The fourth proportional to 3,346.04, 4,619.70 and 2,151.56 is: 2,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.04 : 4,619.70 = 2,151.56 : x
  2. Step 2: Convert to fraction form
    3,346.04/4,619.70 = 2,151.56/x
  3. Step 3: Cross multiply
    3,346.04x = 4,619.70 × 2,151.56
  4. Step 4: Simplify right side
    3,346.04x = 9,939,578.66
  5. Step 5: Solve for x
    x = 9,939,578.66/3,346.04
  6. Step 6: Final answer
    x = 2,970.55

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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.