Home / 3,615.58-4,989.57-2,043.68

Finding the Fourth Proportional to 3,615.58, 4,989.57 and 2,043.68

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Solution

The fourth proportional to 3,615.58, 4,989.57 and 2,043.68 is: 2,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.58 : 4,989.57 = 2,043.68 : x
  2. Step 2: Convert to fraction form
    3,615.58/4,989.57 = 2,043.68/x
  3. Step 3: Cross multiply
    3,615.58x = 4,989.57 × 2,043.68
  4. Step 4: Simplify right side
    3,615.58x = 10,197,051.81
  5. Step 5: Solve for x
    x = 10,197,051.81/3,615.58
  6. Step 6: Final answer
    x = 2,820.31

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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.