Home / 2,069.90-3,104.94-1,030.40

Finding the Fourth Proportional to 2,069.90, 3,104.94 and 1,030.40

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Solution

The fourth proportional to 2,069.90, 3,104.94 and 1,030.40 is: 1,545.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.90 : 3,104.94 = 1,030.40 : x
  2. Step 2: Convert to fraction form
    2,069.90/3,104.94 = 1,030.40/x
  3. Step 3: Cross multiply
    2,069.90x = 3,104.94 × 1,030.40
  4. Step 4: Simplify right side
    2,069.90x = 3,199,330.18
  5. Step 5: Solve for x
    x = 3,199,330.18/2,069.90
  6. Step 6: Final answer
    x = 1,545.64

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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.