Home / 3,520.58-5,280.84-1,055.61

Finding the Fourth Proportional to 3,520.58, 5,280.84 and 1,055.61

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Solution

The fourth proportional to 3,520.58, 5,280.84 and 1,055.61 is: 1,583.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.58 : 5,280.84 = 1,055.61 : x
  2. Step 2: Convert to fraction form
    3,520.58/5,280.84 = 1,055.61/x
  3. Step 3: Cross multiply
    3,520.58x = 5,280.84 × 1,055.61
  4. Step 4: Simplify right side
    3,520.58x = 5,574,507.51
  5. Step 5: Solve for x
    x = 5,574,507.51/3,520.58
  6. Step 6: Final answer
    x = 1,583.41

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Double scale
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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.