Home / 3,280.16-4,526.50-1,788.05

Finding the Fourth Proportional to 3,280.16, 4,526.50 and 1,788.05

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Solution

The fourth proportional to 3,280.16, 4,526.50 and 1,788.05 is: 2,467.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.16 : 4,526.50 = 1,788.05 : x
  2. Step 2: Convert to fraction form
    3,280.16/4,526.50 = 1,788.05/x
  3. Step 3: Cross multiply
    3,280.16x = 4,526.50 × 1,788.05
  4. Step 4: Simplify right side
    3,280.16x = 8,093,608.33
  5. Step 5: Solve for x
    x = 8,093,608.33/3,280.16
  6. Step 6: Final answer
    x = 2,467.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.