Home / 3,616.67-5,423.59-1,276.18

Finding the Fourth Proportional to 3,616.67, 5,423.59 and 1,276.18

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Solution

The fourth proportional to 3,616.67, 5,423.59 and 1,276.18 is: 1,913.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.67 : 5,423.59 = 1,276.18 : x
  2. Step 2: Convert to fraction form
    3,616.67/5,423.59 = 1,276.18/x
  3. Step 3: Cross multiply
    3,616.67x = 5,423.59 × 1,276.18
  4. Step 4: Simplify right side
    3,616.67x = 6,921,465.12
  5. Step 5: Solve for x
    x = 6,921,465.12/3,616.67
  6. Step 6: Final answer
    x = 1,913.77

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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.