Home / 1,803.03-2,699.31-1,615.45

Finding the Fourth Proportional to 1,803.03, 2,699.31 and 1,615.45

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Solution

The fourth proportional to 1,803.03, 2,699.31 and 1,615.45 is: 2,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803.03 : 2,699.31 = 1,615.45 : x
  2. Step 2: Convert to fraction form
    1,803.03/2,699.31 = 1,615.45/x
  3. Step 3: Cross multiply
    1,803.03x = 2,699.31 × 1,615.45
  4. Step 4: Simplify right side
    1,803.03x = 4,360,600.34
  5. Step 5: Solve for x
    x = 4,360,600.34/1,803.03
  6. Step 6: Final answer
    x = 2,418.48

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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.