Home / 1,770.03-2,655.92-1,253.36

Finding the Fourth Proportional to 1,770.03, 2,655.92 and 1,253.36

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Solution

The fourth proportional to 1,770.03, 2,655.92 and 1,253.36 is: 1,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.03 : 2,655.92 = 1,253.36 : x
  2. Step 2: Convert to fraction form
    1,770.03/2,655.92 = 1,253.36/x
  3. Step 3: Cross multiply
    1,770.03x = 2,655.92 × 1,253.36
  4. Step 4: Simplify right side
    1,770.03x = 3,328,804.34
  5. Step 5: Solve for x
    x = 3,328,804.34/1,770.03
  6. Step 6: Final answer
    x = 1,880.65

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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.