Home / 3,741.63-5,612.23-1,109.03

Finding the Fourth Proportional to 3,741.63, 5,612.23 and 1,109.03

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Solution

The fourth proportional to 3,741.63, 5,612.23 and 1,109.03 is: 1,663.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.63 : 5,612.23 = 1,109.03 : x
  2. Step 2: Convert to fraction form
    3,741.63/5,612.23 = 1,109.03/x
  3. Step 3: Cross multiply
    3,741.63x = 5,612.23 × 1,109.03
  4. Step 4: Simplify right side
    3,741.63x = 6,224,125.89
  5. Step 5: Solve for x
    x = 6,224,125.89/3,741.63
  6. Step 6: Final answer
    x = 1,663.48

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1.5x scale

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.