Home / 3,065.70-4,598.55-2,139.30

Finding the Fourth Proportional to 3,065.70, 4,598.55 and 2,139.30

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Solution

The fourth proportional to 3,065.70, 4,598.55 and 2,139.30 is: 3,208.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.70 : 4,598.55 = 2,139.30 : x
  2. Step 2: Convert to fraction form
    3,065.70/4,598.55 = 2,139.30/x
  3. Step 3: Cross multiply
    3,065.70x = 4,598.55 × 2,139.30
  4. Step 4: Simplify right side
    3,065.70x = 9,837,678.02
  5. Step 5: Solve for x
    x = 9,837,678.02/3,065.70
  6. Step 6: Final answer
    x = 3,208.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.