Home / 3,730.41-5,147.90-2,051.80

Finding the Fourth Proportional to 3,730.41, 5,147.90 and 2,051.80

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Solution

The fourth proportional to 3,730.41, 5,147.90 and 2,051.80 is: 2,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.41 : 5,147.90 = 2,051.80 : x
  2. Step 2: Convert to fraction form
    3,730.41/5,147.90 = 2,051.80/x
  3. Step 3: Cross multiply
    3,730.41x = 5,147.90 × 2,051.80
  4. Step 4: Simplify right side
    3,730.41x = 10,562,461.22
  5. Step 5: Solve for x
    x = 10,562,461.22/3,730.41
  6. Step 6: Final answer
    x = 2,831.45

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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.