Home / 2,564.47-3,539.09-1,445.45

Finding the Fourth Proportional to 2,564.47, 3,539.09 and 1,445.45

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Solution

The fourth proportional to 2,564.47, 3,539.09 and 1,445.45 is: 1,994.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.47 : 3,539.09 = 1,445.45 : x
  2. Step 2: Convert to fraction form
    2,564.47/3,539.09 = 1,445.45/x
  3. Step 3: Cross multiply
    2,564.47x = 3,539.09 × 1,445.45
  4. Step 4: Simplify right side
    2,564.47x = 5,115,579.26
  5. Step 5: Solve for x
    x = 5,115,579.26/2,564.47
  6. Step 6: Final answer
    x = 1,994.79

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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.