Home / 3,641.20-5,461.08-1,666.23

Finding the Fourth Proportional to 3,641.20, 5,461.08 and 1,666.23

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Solution

The fourth proportional to 3,641.20, 5,461.08 and 1,666.23 is: 2,499.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641.20 : 5,461.08 = 1,666.23 : x
  2. Step 2: Convert to fraction form
    3,641.20/5,461.08 = 1,666.23/x
  3. Step 3: Cross multiply
    3,641.20x = 5,461.08 × 1,666.23
  4. Step 4: Simplify right side
    3,641.20x = 9,099,415.33
  5. Step 5: Solve for x
    x = 9,099,415.33/3,641.20
  6. Step 6: Final answer
    x = 2,499.02

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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.