Home / 4,070.92-5,618.58-2,303.08

Finding the Fourth Proportional to 4,070.92, 5,618.58 and 2,303.08

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Solution

The fourth proportional to 4,070.92, 5,618.58 and 2,303.08 is: 3,178.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.92 : 5,618.58 = 2,303.08 : x
  2. Step 2: Convert to fraction form
    4,070.92/5,618.58 = 2,303.08/x
  3. Step 3: Cross multiply
    4,070.92x = 5,618.58 × 2,303.08
  4. Step 4: Simplify right side
    4,070.92x = 12,940,039.23
  5. Step 5: Solve for x
    x = 12,940,039.23/4,070.92
  6. Step 6: Final answer
    x = 3,178.65

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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.