Home / 3,730.50-5,148.02-2,051.80

Finding the Fourth Proportional to 3,730.50, 5,148.02 and 2,051.80

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Solution

The fourth proportional to 3,730.50, 5,148.02 and 2,051.80 is: 2,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.50 : 5,148.02 = 2,051.80 : x
  2. Step 2: Convert to fraction form
    3,730.50/5,148.02 = 2,051.80/x
  3. Step 3: Cross multiply
    3,730.50x = 5,148.02 × 2,051.80
  4. Step 4: Simplify right side
    3,730.50x = 10,562,707.44
  5. Step 5: Solve for x
    x = 10,562,707.44/3,730.50
  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.