Home / 3,585.64-5,378.34-1,613.08

Finding the Fourth Proportional to 3,585.64, 5,378.34 and 1,613.08

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Solution

The fourth proportional to 3,585.64, 5,378.34 and 1,613.08 is: 2,419.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.64 : 5,378.34 = 1,613.08 : x
  2. Step 2: Convert to fraction form
    3,585.64/5,378.34 = 1,613.08/x
  3. Step 3: Cross multiply
    3,585.64x = 5,378.34 × 1,613.08
  4. Step 4: Simplify right side
    3,585.64x = 8,675,692.69
  5. Step 5: Solve for x
    x = 8,675,692.69/3,585.64
  6. Step 6: Final answer
    x = 2,419.57

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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.