Home / 2,655.10-3,664.47-1,607.68

Finding the Fourth Proportional to 2,655.10, 3,664.47 and 1,607.68

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Solution

The fourth proportional to 2,655.10, 3,664.47 and 1,607.68 is: 2,218.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.10 : 3,664.47 = 1,607.68 : x
  2. Step 2: Convert to fraction form
    2,655.10/3,664.47 = 1,607.68/x
  3. Step 3: Cross multiply
    2,655.10x = 3,664.47 × 1,607.68
  4. Step 4: Simplify right side
    2,655.10x = 5,891,295.13
  5. Step 5: Solve for x
    x = 5,891,295.13/2,655.10
  6. Step 6: Final answer
    x = 2,218.86

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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.