Home / 2,006.55-2,772.51-1,656.63

Finding the Fourth Proportional to 2,006.55, 2,772.51 and 1,656.63

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Solution

The fourth proportional to 2,006.55, 2,772.51 and 1,656.63 is: 2,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.55 : 2,772.51 = 1,656.63 : x
  2. Step 2: Convert to fraction form
    2,006.55/2,772.51 = 1,656.63/x
  3. Step 3: Cross multiply
    2,006.55x = 2,772.51 × 1,656.63
  4. Step 4: Simplify right side
    2,006.55x = 4,593,023.24
  5. Step 5: Solve for x
    x = 4,593,023.24/2,006.55
  6. Step 6: Final answer
    x = 2,289.02

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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.