Home / 3,555.90-5,334.71-1,090.58

Finding the Fourth Proportional to 3,555.90, 5,334.71 and 1,090.58

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Solution

The fourth proportional to 3,555.90, 5,334.71 and 1,090.58 is: 1,636.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.90 : 5,334.71 = 1,090.58 : x
  2. Step 2: Convert to fraction form
    3,555.90/5,334.71 = 1,090.58/x
  3. Step 3: Cross multiply
    3,555.90x = 5,334.71 × 1,090.58
  4. Step 4: Simplify right side
    3,555.90x = 5,817,895.91
  5. Step 5: Solve for x
    x = 5,817,895.91/3,555.90
  6. Step 6: Final answer
    x = 1,636.12

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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.