Home / 3,416.34-5,128.56-2,875.26

Finding the Fourth Proportional to 3,416.34, 5,128.56 and 2,875.26

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Solution

The fourth proportional to 3,416.34, 5,128.56 and 2,875.26 is: 4,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.34 : 5,128.56 = 2,875.26 : x
  2. Step 2: Convert to fraction form
    3,416.34/5,128.56 = 2,875.26/x
  3. Step 3: Cross multiply
    3,416.34x = 5,128.56 × 2,875.26
  4. Step 4: Simplify right side
    3,416.34x = 14,745,943.43
  5. Step 5: Solve for x
    x = 14,745,943.43/3,416.34
  6. Step 6: Final answer
    x = 4,316.30

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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.