Home / 2,857.08-4,290.45-2,495.01

Finding the Fourth Proportional to 2,857.08, 4,290.45 and 2,495.01

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Solution

The fourth proportional to 2,857.08, 4,290.45 and 2,495.01 is: 3,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.08 : 4,290.45 = 2,495.01 : x
  2. Step 2: Convert to fraction form
    2,857.08/4,290.45 = 2,495.01/x
  3. Step 3: Cross multiply
    2,857.08x = 4,290.45 × 2,495.01
  4. Step 4: Simplify right side
    2,857.08x = 10,704,715.65
  5. Step 5: Solve for x
    x = 10,704,715.65/2,857.08
  6. Step 6: Final answer
    x = 3,746.73

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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.