Home / 3,835.45-5,753.95-1,370.21

Finding the Fourth Proportional to 3,835.45, 5,753.95 and 1,370.21

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Solution

The fourth proportional to 3,835.45, 5,753.95 and 1,370.21 is: 2,055.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.45 : 5,753.95 = 1,370.21 : x
  2. Step 2: Convert to fraction form
    3,835.45/5,753.95 = 1,370.21/x
  3. Step 3: Cross multiply
    3,835.45x = 5,753.95 × 1,370.21
  4. Step 4: Simplify right side
    3,835.45x = 7,884,119.83
  5. Step 5: Solve for x
    x = 7,884,119.83/3,835.45
  6. Step 6: Final answer
    x = 2,055.59

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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.