Home / 2,875.08-4,310.78-2,215.24

Finding the Fourth Proportional to 2,875.08, 4,310.78 and 2,215.24

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Solution

The fourth proportional to 2,875.08, 4,310.78 and 2,215.24 is: 3,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.08 : 4,310.78 = 2,215.24 : x
  2. Step 2: Convert to fraction form
    2,875.08/4,310.78 = 2,215.24/x
  3. Step 3: Cross multiply
    2,875.08x = 4,310.78 × 2,215.24
  4. Step 4: Simplify right side
    2,875.08x = 9,549,412.29
  5. Step 5: Solve for x
    x = 9,549,412.29/2,875.08
  6. Step 6: Final answer
    x = 3,321.44

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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.