Home / 3,613.48-5,419.77-1,533.10

Finding the Fourth Proportional to 3,613.48, 5,419.77 and 1,533.10

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Solution

The fourth proportional to 3,613.48, 5,419.77 and 1,533.10 is: 2,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.48 : 5,419.77 = 1,533.10 : x
  2. Step 2: Convert to fraction form
    3,613.48/5,419.77 = 1,533.10/x
  3. Step 3: Cross multiply
    3,613.48x = 5,419.77 × 1,533.10
  4. Step 4: Simplify right side
    3,613.48x = 8,309,030.09
  5. Step 5: Solve for x
    x = 8,309,030.09/3,613.48
  6. Step 6: Final answer
    x = 2,299.45

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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.