Home / 3,609.55-4,970.08-3,077.25

Finding the Fourth Proportional to 3,609.55, 4,970.08 and 3,077.25

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Solution

The fourth proportional to 3,609.55, 4,970.08 and 3,077.25 is: 4,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.55 : 4,970.08 = 3,077.25 : x
  2. Step 2: Convert to fraction form
    3,609.55/4,970.08 = 3,077.25/x
  3. Step 3: Cross multiply
    3,609.55x = 4,970.08 × 3,077.25
  4. Step 4: Simplify right side
    3,609.55x = 15,294,138.44
  5. Step 5: Solve for x
    x = 15,294,138.44/3,609.55
  6. Step 6: Final answer
    x = 4,237.13

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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.