Home / 3,280.60-4,921.53-1,060.03

Finding the Fourth Proportional to 3,280.60, 4,921.53 and 1,060.03

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Solution

The fourth proportional to 3,280.60, 4,921.53 and 1,060.03 is: 1,590.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.60 : 4,921.53 = 1,060.03 : x
  2. Step 2: Convert to fraction form
    3,280.60/4,921.53 = 1,060.03/x
  3. Step 3: Cross multiply
    3,280.60x = 4,921.53 × 1,060.03
  4. Step 4: Simplify right side
    3,280.60x = 5,216,971.62
  5. Step 5: Solve for x
    x = 5,216,971.62/3,280.60
  6. Step 6: Final answer
    x = 1,590.25

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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.