Home / 3,666.47-5,498.56-1,200.74

Finding the Fourth Proportional to 3,666.47, 5,498.56 and 1,200.74

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Solution

The fourth proportional to 3,666.47, 5,498.56 and 1,200.74 is: 1,800.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.47 : 5,498.56 = 1,200.74 : x
  2. Step 2: Convert to fraction form
    3,666.47/5,498.56 = 1,200.74/x
  3. Step 3: Cross multiply
    3,666.47x = 5,498.56 × 1,200.74
  4. Step 4: Simplify right side
    3,666.47x = 6,602,351.68
  5. Step 5: Solve for x
    x = 6,602,351.68/3,666.47
  6. Step 6: Final answer
    x = 1,800.74

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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.