Home / 3,399.02-4,688.52-2,220.06

Finding the Fourth Proportional to 3,399.02, 4,688.52 and 2,220.06

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Solution

The fourth proportional to 3,399.02, 4,688.52 and 2,220.06 is: 3,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.02 : 4,688.52 = 2,220.06 : x
  2. Step 2: Convert to fraction form
    3,399.02/4,688.52 = 2,220.06/x
  3. Step 3: Cross multiply
    3,399.02x = 4,688.52 × 2,220.06
  4. Step 4: Simplify right side
    3,399.02x = 10,408,795.71
  5. Step 5: Solve for x
    x = 10,408,795.71/3,399.02
  6. Step 6: Final answer
    x = 3,062.30

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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.