Home / 2,660.37-3,671.40-1,541.28

Finding the Fourth Proportional to 2,660.37, 3,671.40 and 1,541.28

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Solution

The fourth proportional to 2,660.37, 3,671.40 and 1,541.28 is: 2,127.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.37 : 3,671.40 = 1,541.28 : x
  2. Step 2: Convert to fraction form
    2,660.37/3,671.40 = 1,541.28/x
  3. Step 3: Cross multiply
    2,660.37x = 3,671.40 × 1,541.28
  4. Step 4: Simplify right side
    2,660.37x = 5,658,655.39
  5. Step 5: Solve for x
    x = 5,658,655.39/2,660.37
  6. Step 6: Final answer
    x = 2,127.02

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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.