Home / 3,373.44-5,030.40-3,139.68

Finding the Fourth Proportional to 3,373.44, 5,030.40 and 3,139.68

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Solution

The fourth proportional to 3,373.44, 5,030.40 and 3,139.68 is: 4,681.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.44 : 5,030.40 = 3,139.68 : x
  2. Step 2: Convert to fraction form
    3,373.44/5,030.40 = 3,139.68/x
  3. Step 3: Cross multiply
    3,373.44x = 5,030.40 × 3,139.68
  4. Step 4: Simplify right side
    3,373.44x = 15,793,846.27
  5. Step 5: Solve for x
    x = 15,793,846.27/3,373.44
  6. Step 6: Final answer
    x = 4,681.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.