Home / 3,645.07-5,029.69-2,051.80

Finding the Fourth Proportional to 3,645.07, 5,029.69 and 2,051.80

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Solution

The fourth proportional to 3,645.07, 5,029.69 and 2,051.80 is: 2,831.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.07 : 5,029.69 = 2,051.80 : x
  2. Step 2: Convert to fraction form
    3,645.07/5,029.69 = 2,051.80/x
  3. Step 3: Cross multiply
    3,645.07x = 5,029.69 × 2,051.80
  4. Step 4: Simplify right side
    3,645.07x = 10,319,882.53
  5. Step 5: Solve for x
    x = 10,319,882.53/3,645.07
  6. Step 6: Final answer
    x = 2,831.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.