Home / 2,684.34-4,030.56-2,140.83

Finding the Fourth Proportional to 2,684.34, 4,030.56 and 2,140.83

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Solution

The fourth proportional to 2,684.34, 4,030.56 and 2,140.83 is: 3,214.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.34 : 4,030.56 = 2,140.83 : x
  2. Step 2: Convert to fraction form
    2,684.34/4,030.56 = 2,140.83/x
  3. Step 3: Cross multiply
    2,684.34x = 4,030.56 × 2,140.83
  4. Step 4: Simplify right side
    2,684.34x = 8,628,743.76
  5. Step 5: Solve for x
    x = 8,628,743.76/2,684.34
  6. Step 6: Final answer
    x = 3,214.47

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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.