Home / 3,555.29-5,332.74-1,090.12

Finding the Fourth Proportional to 3,555.29, 5,332.74 and 1,090.12

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Solution

The fourth proportional to 3,555.29, 5,332.74 and 1,090.12 is: 1,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.29 : 5,332.74 = 1,090.12 : x
  2. Step 2: Convert to fraction form
    3,555.29/5,332.74 = 1,090.12/x
  3. Step 3: Cross multiply
    3,555.29x = 5,332.74 × 1,090.12
  4. Step 4: Simplify right side
    3,555.29x = 5,813,294.41
  5. Step 5: Solve for x
    x = 5,813,294.41/3,555.29
  6. Step 6: Final answer
    x = 1,635.11

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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.