Home / 3,890.03-5,837.48-1,581.53

Finding the Fourth Proportional to 3,890.03, 5,837.48 and 1,581.53

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Solution

The fourth proportional to 3,890.03, 5,837.48 and 1,581.53 is: 2,373.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.03 : 5,837.48 = 1,581.53 : x
  2. Step 2: Convert to fraction form
    3,890.03/5,837.48 = 1,581.53/x
  3. Step 3: Cross multiply
    3,890.03x = 5,837.48 × 1,581.53
  4. Step 4: Simplify right side
    3,890.03x = 9,232,149.74
  5. Step 5: Solve for x
    x = 9,232,149.74/3,890.03
  6. Step 6: Final answer
    x = 2,373.28

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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.