Home / 3,319.40-4,580.70-1,903.34

Finding the Fourth Proportional to 3,319.40, 4,580.70 and 1,903.34

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Solution

The fourth proportional to 3,319.40, 4,580.70 and 1,903.34 is: 2,626.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.40 : 4,580.70 = 1,903.34 : x
  2. Step 2: Convert to fraction form
    3,319.40/4,580.70 = 1,903.34/x
  3. Step 3: Cross multiply
    3,319.40x = 4,580.70 × 1,903.34
  4. Step 4: Simplify right side
    3,319.40x = 8,718,629.54
  5. Step 5: Solve for x
    x = 8,718,629.54/3,319.40
  6. Step 6: Final answer
    x = 2,626.57

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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.