Home / 3,946.02-5,920.65-1,997.70

Finding the Fourth Proportional to 3,946.02, 5,920.65 and 1,997.70

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Solution

The fourth proportional to 3,946.02, 5,920.65 and 1,997.70 is: 2,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.02 : 5,920.65 = 1,997.70 : x
  2. Step 2: Convert to fraction form
    3,946.02/5,920.65 = 1,997.70/x
  3. Step 3: Cross multiply
    3,946.02x = 5,920.65 × 1,997.70
  4. Step 4: Simplify right side
    3,946.02x = 11,827,682.51
  5. Step 5: Solve for x
    x = 11,827,682.51/3,946.02
  6. Step 6: Final answer
    x = 2,997.37

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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.