Home / 3,119.02-4,677.38-1,269.13

Finding the Fourth Proportional to 3,119.02, 4,677.38 and 1,269.13

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Solution

The fourth proportional to 3,119.02, 4,677.38 and 1,269.13 is: 1,903.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.02 : 4,677.38 = 1,269.13 : x
  2. Step 2: Convert to fraction form
    3,119.02/4,677.38 = 1,269.13/x
  3. Step 3: Cross multiply
    3,119.02x = 4,677.38 × 1,269.13
  4. Step 4: Simplify right side
    3,119.02x = 5,936,210.70
  5. Step 5: Solve for x
    x = 5,936,210.70/3,119.02
  6. Step 6: Final answer
    x = 1,903.23

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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.