Home / 3,726.42-5,590.16-1,386.23

Finding the Fourth Proportional to 3,726.42, 5,590.16 and 1,386.23

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Solution

The fourth proportional to 3,726.42, 5,590.16 and 1,386.23 is: 2,079.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.42 : 5,590.16 = 1,386.23 : x
  2. Step 2: Convert to fraction form
    3,726.42/5,590.16 = 1,386.23/x
  3. Step 3: Cross multiply
    3,726.42x = 5,590.16 × 1,386.23
  4. Step 4: Simplify right side
    3,726.42x = 7,749,217.81
  5. Step 5: Solve for x
    x = 7,749,217.81/3,726.42
  6. Step 6: Final answer
    x = 2,079.54

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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.