Home / 3,640.56-5,434.35-3,370.08

Finding the Fourth Proportional to 3,640.56, 5,434.35 and 3,370.08

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Solution

The fourth proportional to 3,640.56, 5,434.35 and 3,370.08 is: 5,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.56 : 5,434.35 = 3,370.08 : x
  2. Step 2: Convert to fraction form
    3,640.56/5,434.35 = 3,370.08/x
  3. Step 3: Cross multiply
    3,640.56x = 5,434.35 × 3,370.08
  4. Step 4: Simplify right side
    3,640.56x = 18,314,194.25
  5. Step 5: Solve for x
    x = 18,314,194.25/3,640.56
  6. Step 6: Final answer
    x = 5,030.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.