Home / 4,132.80-5,688.48-3,136.32

Finding the Fourth Proportional to 4,132.80, 5,688.48 and 3,136.32

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Solution

The fourth proportional to 4,132.80, 5,688.48 and 3,136.32 is: 4,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,132.80 : 5,688.48 = 3,136.32 : x
  2. Step 2: Convert to fraction form
    4,132.80/5,688.48 = 3,136.32/x
  3. Step 3: Cross multiply
    4,132.80x = 5,688.48 × 3,136.32
  4. Step 4: Simplify right side
    4,132.80x = 17,840,893.59
  5. Step 5: Solve for x
    x = 17,840,893.59/4,132.80
  6. Step 6: Final answer
    x = 4,316.90

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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.