Home / 2,069.12-3,104.08-1,246.40

Finding the Fourth Proportional to 2,069.12, 3,104.08 and 1,246.40

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Solution

The fourth proportional to 2,069.12, 3,104.08 and 1,246.40 is: 1,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.12 : 3,104.08 = 1,246.40 : x
  2. Step 2: Convert to fraction form
    2,069.12/3,104.08 = 1,246.40/x
  3. Step 3: Cross multiply
    2,069.12x = 3,104.08 × 1,246.40
  4. Step 4: Simplify right side
    2,069.12x = 3,868,925.31
  5. Step 5: Solve for x
    x = 3,868,925.31/2,069.12
  6. Step 6: Final answer
    x = 1,869.84

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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.