Home / 2,069.04-2,855.20-1,137.52

Finding the Fourth Proportional to 2,069.04, 2,855.20 and 1,137.52

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Solution

The fourth proportional to 2,069.04, 2,855.20 and 1,137.52 is: 1,569.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.04 : 2,855.20 = 1,137.52 : x
  2. Step 2: Convert to fraction form
    2,069.04/2,855.20 = 1,137.52/x
  3. Step 3: Cross multiply
    2,069.04x = 2,855.20 × 1,137.52
  4. Step 4: Simplify right side
    2,069.04x = 3,247,847.10
  5. Step 5: Solve for x
    x = 3,247,847.10/2,069.04
  6. Step 6: Final answer
    x = 1,569.74

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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.