Home / 3,135.02-4,316.49-2,661.93

Finding the Fourth Proportional to 3,135.02, 4,316.49 and 2,661.93

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Solution

The fourth proportional to 3,135.02, 4,316.49 and 2,661.93 is: 3,665.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.02 : 4,316.49 = 2,661.93 : x
  2. Step 2: Convert to fraction form
    3,135.02/4,316.49 = 2,661.93/x
  3. Step 3: Cross multiply
    3,135.02x = 4,316.49 × 2,661.93
  4. Step 4: Simplify right side
    3,135.02x = 11,490,194.23
  5. Step 5: Solve for x
    x = 11,490,194.23/3,135.02
  6. Step 6: Final answer
    x = 3,665.11

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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.