Home / 3,707.55-5,556.60-1,513.80

Finding the Fourth Proportional to 3,707.55, 5,556.60 and 1,513.80

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Solution

The fourth proportional to 3,707.55, 5,556.60 and 1,513.80 is: 2,268.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.55 : 5,556.60 = 1,513.80 : x
  2. Step 2: Convert to fraction form
    3,707.55/5,556.60 = 1,513.80/x
  3. Step 3: Cross multiply
    3,707.55x = 5,556.60 × 1,513.80
  4. Step 4: Simplify right side
    3,707.55x = 8,411,581.08
  5. Step 5: Solve for x
    x = 8,411,581.08/3,707.55
  6. Step 6: Final answer
    x = 2,268.77

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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.