Home / 2,869.08-4,303.26-1,138.92

Finding the Fourth Proportional to 2,869.08, 4,303.26 and 1,138.92

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Solution

The fourth proportional to 2,869.08, 4,303.26 and 1,138.92 is: 1,708.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.08 : 4,303.26 = 1,138.92 : x
  2. Step 2: Convert to fraction form
    2,869.08/4,303.26 = 1,138.92/x
  3. Step 3: Cross multiply
    2,869.08x = 4,303.26 × 1,138.92
  4. Step 4: Simplify right side
    2,869.08x = 4,901,068.88
  5. Step 5: Solve for x
    x = 4,901,068.88/2,869.08
  6. Step 6: Final answer
    x = 1,708.24

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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.