Home / 3,901.02-5,383.41-2,308.77

Finding the Fourth Proportional to 3,901.02, 5,383.41 and 2,308.77

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Solution

The fourth proportional to 3,901.02, 5,383.41 and 2,308.77 is: 3,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.02 : 5,383.41 = 2,308.77 : x
  2. Step 2: Convert to fraction form
    3,901.02/5,383.41 = 2,308.77/x
  3. Step 3: Cross multiply
    3,901.02x = 5,383.41 × 2,308.77
  4. Step 4: Simplify right side
    3,901.02x = 12,429,055.51
  5. Step 5: Solve for x
    x = 12,429,055.51/3,901.02
  6. Step 6: Final answer
    x = 3,186.10

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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.