Home / 3,555.63-5,331.83-1,707.62

Finding the Fourth Proportional to 3,555.63, 5,331.83 and 1,707.62

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Solution

The fourth proportional to 3,555.63, 5,331.83 and 1,707.62 is: 2,560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.63 : 5,331.83 = 1,707.62 : x
  2. Step 2: Convert to fraction form
    3,555.63/5,331.83 = 1,707.62/x
  3. Step 3: Cross multiply
    3,555.63x = 5,331.83 × 1,707.62
  4. Step 4: Simplify right side
    3,555.63x = 9,104,704.35
  5. Step 5: Solve for x
    x = 9,104,704.35/3,555.63
  6. Step 6: Final answer
    x = 2,560.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.