Home / 2,656.24-3,665.18-1,477.28

Finding the Fourth Proportional to 2,656.24, 3,665.18 and 1,477.28

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Solution

The fourth proportional to 2,656.24, 3,665.18 and 1,477.28 is: 2,038.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.24 : 3,665.18 = 1,477.28 : x
  2. Step 2: Convert to fraction form
    2,656.24/3,665.18 = 1,477.28/x
  3. Step 3: Cross multiply
    2,656.24x = 3,665.18 × 1,477.28
  4. Step 4: Simplify right side
    2,656.24x = 5,414,497.11
  5. Step 5: Solve for x
    x = 5,414,497.11/2,656.24
  6. Step 6: Final answer
    x = 2,038.41

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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.