Home / 3,615.48-4,989.28-2,043.52

Finding the Fourth Proportional to 3,615.48, 4,989.28 and 2,043.52

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Solution

The fourth proportional to 3,615.48, 4,989.28 and 2,043.52 is: 2,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.48 : 4,989.28 = 2,043.52 : x
  2. Step 2: Convert to fraction form
    3,615.48/4,989.28 = 2,043.52/x
  3. Step 3: Cross multiply
    3,615.48x = 4,989.28 × 2,043.52
  4. Step 4: Simplify right side
    3,615.48x = 10,195,693.47
  5. Step 5: Solve for x
    x = 10,195,693.47/3,615.48
  6. Step 6: Final answer
    x = 2,820.01

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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.