Home / 3,348.90-4,620.15-1,931.94

Finding the Fourth Proportional to 3,348.90, 4,620.15 and 1,931.94

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Solution

The fourth proportional to 3,348.90, 4,620.15 and 1,931.94 is: 2,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.90 : 4,620.15 = 1,931.94 : x
  2. Step 2: Convert to fraction form
    3,348.90/4,620.15 = 1,931.94/x
  3. Step 3: Cross multiply
    3,348.90x = 4,620.15 × 1,931.94
  4. Step 4: Simplify right side
    3,348.90x = 8,925,852.59
  5. Step 5: Solve for x
    x = 8,925,852.59/3,348.90
  6. Step 6: Final answer
    x = 2,665.31

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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.