Home / 3,318.48-4,579.61-1,826.37

Finding the Fourth Proportional to 3,318.48, 4,579.61 and 1,826.37

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Solution

The fourth proportional to 3,318.48, 4,579.61 and 1,826.37 is: 2,520.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.48 : 4,579.61 = 1,826.37 : x
  2. Step 2: Convert to fraction form
    3,318.48/4,579.61 = 1,826.37/x
  3. Step 3: Cross multiply
    3,318.48x = 4,579.61 × 1,826.37
  4. Step 4: Simplify right side
    3,318.48x = 8,364,053.18
  5. Step 5: Solve for x
    x = 8,364,053.18/3,318.48
  6. Step 6: Final answer
    x = 2,520.45

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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.