Home / 1,645.08-2,469.20-1,030.02

Finding the Fourth Proportional to 1,645.08, 2,469.20 and 1,030.02

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Solution

The fourth proportional to 1,645.08, 2,469.20 and 1,030.02 is: 1,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645.08 : 2,469.20 = 1,030.02 : x
  2. Step 2: Convert to fraction form
    1,645.08/2,469.20 = 1,030.02/x
  3. Step 3: Cross multiply
    1,645.08x = 2,469.20 × 1,030.02
  4. Step 4: Simplify right side
    1,645.08x = 2,543,320.23
  5. Step 5: Solve for x
    x = 2,543,320.23/1,645.08
  6. Step 6: Final answer
    x = 1,546.02

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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.