Home / 2,656.02-3,665.13-1,661.25

Finding the Fourth Proportional to 2,656.02, 3,665.13 and 1,661.25

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Solution

The fourth proportional to 2,656.02, 3,665.13 and 1,661.25 is: 2,292.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.02 : 3,665.13 = 1,661.25 : x
  2. Step 2: Convert to fraction form
    2,656.02/3,665.13 = 1,661.25/x
  3. Step 3: Cross multiply
    2,656.02x = 3,665.13 × 1,661.25
  4. Step 4: Simplify right side
    2,656.02x = 6,088,697.21
  5. Step 5: Solve for x
    x = 6,088,697.21/2,656.02
  6. Step 6: Final answer
    x = 2,292.41

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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.