Home / 3,419.10-5,124.60-3,070.80

Finding the Fourth Proportional to 3,419.10, 5,124.60 and 3,070.80

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Solution

The fourth proportional to 3,419.10, 5,124.60 and 3,070.80 is: 4,602.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.10 : 5,124.60 = 3,070.80 : x
  2. Step 2: Convert to fraction form
    3,419.10/5,124.60 = 3,070.80/x
  3. Step 3: Cross multiply
    3,419.10x = 5,124.60 × 3,070.80
  4. Step 4: Simplify right side
    3,419.10x = 15,736,621.68
  5. Step 5: Solve for x
    x = 15,736,621.68/3,419.10
  6. Step 6: Final answer
    x = 4,602.56

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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.