Home / 2,564.78-3,541.93-1,770.15

Finding the Fourth Proportional to 2,564.78, 3,541.93 and 1,770.15

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Solution

The fourth proportional to 2,564.78, 3,541.93 and 1,770.15 is: 2,444.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.78 : 3,541.93 = 1,770.15 : x
  2. Step 2: Convert to fraction form
    2,564.78/3,541.93 = 1,770.15/x
  3. Step 3: Cross multiply
    2,564.78x = 3,541.93 × 1,770.15
  4. Step 4: Simplify right side
    2,564.78x = 6,269,756.25
  5. Step 5: Solve for x
    x = 6,269,756.25/2,564.78
  6. Step 6: Final answer
    x = 2,444.56

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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.