Home / 2,646.08-3,646.56-2,581.28

Finding the Fourth Proportional to 2,646.08, 3,646.56 and 2,581.28

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Solution

The fourth proportional to 2,646.08, 3,646.56 and 2,581.28 is: 3,557.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646.08 : 3,646.56 = 2,581.28 : x
  2. Step 2: Convert to fraction form
    2,646.08/3,646.56 = 2,581.28/x
  3. Step 3: Cross multiply
    2,646.08x = 3,646.56 × 2,581.28
  4. Step 4: Simplify right side
    2,646.08x = 9,412,792.40
  5. Step 5: Solve for x
    x = 9,412,792.40/2,646.08
  6. Step 6: Final answer
    x = 3,557.26

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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.