Home / 3,555.32-4,906.40-1,962.04

Finding the Fourth Proportional to 3,555.32, 4,906.40 and 1,962.04

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Solution

The fourth proportional to 3,555.32, 4,906.40 and 1,962.04 is: 2,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.32 : 4,906.40 = 1,962.04 : x
  2. Step 2: Convert to fraction form
    3,555.32/4,906.40 = 1,962.04/x
  3. Step 3: Cross multiply
    3,555.32x = 4,906.40 × 1,962.04
  4. Step 4: Simplify right side
    3,555.32x = 9,626,566.40
  5. Step 5: Solve for x
    x = 9,626,566.40/3,555.32
  6. Step 6: Final answer
    x = 2,707.65

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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.