Home / 3,864.80-5,798.24-1,091.52

Finding the Fourth Proportional to 3,864.80, 5,798.24 and 1,091.52

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Solution

The fourth proportional to 3,864.80, 5,798.24 and 1,091.52 is: 1,637.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.80 : 5,798.24 = 1,091.52 : x
  2. Step 2: Convert to fraction form
    3,864.80/5,798.24 = 1,091.52/x
  3. Step 3: Cross multiply
    3,864.80x = 5,798.24 × 1,091.52
  4. Step 4: Simplify right side
    3,864.80x = 6,328,894.92
  5. Step 5: Solve for x
    x = 6,328,894.92/3,864.80
  6. Step 6: Final answer
    x = 1,637.57

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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.