Home / 3,347.74-4,621.28-2,021.16

Finding the Fourth Proportional to 3,347.74, 4,621.28 and 2,021.16

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Solution

The fourth proportional to 3,347.74, 4,621.28 and 2,021.16 is: 2,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.74 : 4,621.28 = 2,021.16 : x
  2. Step 2: Convert to fraction form
    3,347.74/4,621.28 = 2,021.16/x
  3. Step 3: Cross multiply
    3,347.74x = 4,621.28 × 2,021.16
  4. Step 4: Simplify right side
    3,347.74x = 9,340,346.28
  5. Step 5: Solve for x
    x = 9,340,346.28/3,347.74
  6. Step 6: Final answer
    x = 2,790.05

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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.