Home / 3,069.83-4,237.88-2,126.34

Finding the Fourth Proportional to 3,069.83, 4,237.88 and 2,126.34

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Solution

The fourth proportional to 3,069.83, 4,237.88 and 2,126.34 is: 2,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.83 : 4,237.88 = 2,126.34 : x
  2. Step 2: Convert to fraction form
    3,069.83/4,237.88 = 2,126.34/x
  3. Step 3: Cross multiply
    3,069.83x = 4,237.88 × 2,126.34
  4. Step 4: Simplify right side
    3,069.83x = 9,011,173.76
  5. Step 5: Solve for x
    x = 9,011,173.76/3,069.83
  6. Step 6: Final answer
    x = 2,935.40

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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.