Home / 3,814.02-5,262.66-2,135.48

Finding the Fourth Proportional to 3,814.02, 5,262.66 and 2,135.48

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Solution

The fourth proportional to 3,814.02, 5,262.66 and 2,135.48 is: 2,946.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.02 : 5,262.66 = 2,135.48 : x
  2. Step 2: Convert to fraction form
    3,814.02/5,262.66 = 2,135.48/x
  3. Step 3: Cross multiply
    3,814.02x = 5,262.66 × 2,135.48
  4. Step 4: Simplify right side
    3,814.02x = 11,238,278.86
  5. Step 5: Solve for x
    x = 11,238,278.86/3,814.02
  6. Step 6: Final answer
    x = 2,946.57

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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.