Home / 1,083.15-1,616.85-1,007.19

Finding the Fourth Proportional to 1,083.15, 1,616.85 and 1,007.19

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Solution

The fourth proportional to 1,083.15, 1,616.85 and 1,007.19 is: 1,503.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083.15 : 1,616.85 = 1,007.19 : x
  2. Step 2: Convert to fraction form
    1,083.15/1,616.85 = 1,007.19/x
  3. Step 3: Cross multiply
    1,083.15x = 1,616.85 × 1,007.19
  4. Step 4: Simplify right side
    1,083.15x = 1,628,475.15
  5. Step 5: Solve for x
    x = 1,628,475.15/1,083.15
  6. Step 6: Final answer
    x = 1,503.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.