Home / 2,985.56-4,472.18-1,749.22

Finding the Fourth Proportional to 2,985.56, 4,472.18 and 1,749.22

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Solution

The fourth proportional to 2,985.56, 4,472.18 and 1,749.22 is: 2,620.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.56 : 4,472.18 = 1,749.22 : x
  2. Step 2: Convert to fraction form
    2,985.56/4,472.18 = 1,749.22/x
  3. Step 3: Cross multiply
    2,985.56x = 4,472.18 × 1,749.22
  4. Step 4: Simplify right side
    2,985.56x = 7,822,804.34
  5. Step 5: Solve for x
    x = 7,822,804.34/2,985.56
  6. Step 6: Final answer
    x = 2,620.21

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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.