Home / 3,390.02-5,085.55-1,441.70

Finding the Fourth Proportional to 3,390.02, 5,085.55 and 1,441.70

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Solution

The fourth proportional to 3,390.02, 5,085.55 and 1,441.70 is: 2,162.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.02 : 5,085.55 = 1,441.70 : x
  2. Step 2: Convert to fraction form
    3,390.02/5,085.55 = 1,441.70/x
  3. Step 3: Cross multiply
    3,390.02x = 5,085.55 × 1,441.70
  4. Step 4: Simplify right side
    3,390.02x = 7,331,837.44
  5. Step 5: Solve for x
    x = 7,331,837.44/3,390.02
  6. Step 6: Final answer
    x = 2,162.77

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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.