Home / 1,487.06-2,235.05-1,003.22

Finding the Fourth Proportional to 1,487.06, 2,235.05 and 1,003.22

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Solution

The fourth proportional to 1,487.06, 2,235.05 and 1,003.22 is: 1,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487.06 : 2,235.05 = 1,003.22 : x
  2. Step 2: Convert to fraction form
    1,487.06/2,235.05 = 1,003.22/x
  3. Step 3: Cross multiply
    1,487.06x = 2,235.05 × 1,003.22
  4. Step 4: Simplify right side
    1,487.06x = 2,242,241.84
  5. Step 5: Solve for x
    x = 2,242,241.84/1,487.06
  6. Step 6: Final answer
    x = 1,507.84

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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.