Home / 1,765.03-2,642.35-1,304.86

Finding the Fourth Proportional to 1,765.03, 2,642.35 and 1,304.86

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Solution

The fourth proportional to 1,765.03, 2,642.35 and 1,304.86 is: 1,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.03 : 2,642.35 = 1,304.86 : x
  2. Step 2: Convert to fraction form
    1,765.03/2,642.35 = 1,304.86/x
  3. Step 3: Cross multiply
    1,765.03x = 2,642.35 × 1,304.86
  4. Step 4: Simplify right side
    1,765.03x = 3,447,890.30
  5. Step 5: Solve for x
    x = 3,447,890.30/1,765.03
  6. Step 6: Final answer
    x = 1,953.45

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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.