Home / 3,329.35-4,594.47-1,913.20

Finding the Fourth Proportional to 3,329.35, 4,594.47 and 1,913.20

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Solution

The fourth proportional to 3,329.35, 4,594.47 and 1,913.20 is: 2,640.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.35 : 4,594.47 = 1,913.20 : x
  2. Step 2: Convert to fraction form
    3,329.35/4,594.47 = 1,913.20/x
  3. Step 3: Cross multiply
    3,329.35x = 4,594.47 × 1,913.20
  4. Step 4: Simplify right side
    3,329.35x = 8,790,117.03
  5. Step 5: Solve for x
    x = 8,790,117.03/3,329.35
  6. Step 6: Final answer
    x = 2,640.19

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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.