Home / 1,729.55-2,595.54-1,564.31

Finding the Fourth Proportional to 1,729.55, 2,595.54 and 1,564.31

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Solution

The fourth proportional to 1,729.55, 2,595.54 and 1,564.31 is: 2,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.55 : 2,595.54 = 1,564.31 : x
  2. Step 2: Convert to fraction form
    1,729.55/2,595.54 = 1,564.31/x
  3. Step 3: Cross multiply
    1,729.55x = 2,595.54 × 1,564.31
  4. Step 4: Simplify right side
    1,729.55x = 4,060,229.18
  5. Step 5: Solve for x
    x = 4,060,229.18/1,729.55
  6. Step 6: Final answer
    x = 2,347.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.