Home / 3,518.58-5,280.18-1,876.32

Finding the Fourth Proportional to 3,518.58, 5,280.18 and 1,876.32

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Solution

The fourth proportional to 3,518.58, 5,280.18 and 1,876.32 is: 2,815.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.58 : 5,280.18 = 1,876.32 : x
  2. Step 2: Convert to fraction form
    3,518.58/5,280.18 = 1,876.32/x
  3. Step 3: Cross multiply
    3,518.58x = 5,280.18 × 1,876.32
  4. Step 4: Simplify right side
    3,518.58x = 9,907,307.34
  5. Step 5: Solve for x
    x = 9,907,307.34/3,518.58
  6. Step 6: Final answer
    x = 2,815.71

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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.