Home / 2,352.70-3,533.10-1,664.20

Finding the Fourth Proportional to 2,352.70, 3,533.10 and 1,664.20

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Solution

The fourth proportional to 2,352.70, 3,533.10 and 1,664.20 is: 2,499.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,352.70 : 3,533.10 = 1,664.20 : x
  2. Step 2: Convert to fraction form
    2,352.70/3,533.10 = 1,664.20/x
  3. Step 3: Cross multiply
    2,352.70x = 3,533.10 × 1,664.20
  4. Step 4: Simplify right side
    2,352.70x = 5,879,785.02
  5. Step 5: Solve for x
    x = 5,879,785.02/2,352.70
  6. Step 6: Final answer
    x = 2,499.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.