Home / 2,875.03-3,967.09-1,615.85

Finding the Fourth Proportional to 2,875.03, 3,967.09 and 1,615.85

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Solution

The fourth proportional to 2,875.03, 3,967.09 and 1,615.85 is: 2,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.03 : 3,967.09 = 1,615.85 : x
  2. Step 2: Convert to fraction form
    2,875.03/3,967.09 = 1,615.85/x
  3. Step 3: Cross multiply
    2,875.03x = 3,967.09 × 1,615.85
  4. Step 4: Simplify right side
    2,875.03x = 6,410,222.47
  5. Step 5: Solve for x
    x = 6,410,222.47/2,875.03
  6. Step 6: Final answer
    x = 2,229.62

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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.