Home / 3,318.47-4,579.93-3,038.20

Finding the Fourth Proportional to 3,318.47, 4,579.93 and 3,038.20

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Solution

The fourth proportional to 3,318.47, 4,579.93 and 3,038.20 is: 4,193.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.47 : 4,579.93 = 3,038.20 : x
  2. Step 2: Convert to fraction form
    3,318.47/4,579.93 = 3,038.20/x
  3. Step 3: Cross multiply
    3,318.47x = 4,579.93 × 3,038.20
  4. Step 4: Simplify right side
    3,318.47x = 13,914,705.24
  5. Step 5: Solve for x
    x = 13,914,705.24/3,318.47
  6. Step 6: Final answer
    x = 4,193.11

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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.