Home / 2,184.36-3,013.32-1,563.72

Finding the Fourth Proportional to 2,184.36, 3,013.32 and 1,563.72

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Solution

The fourth proportional to 2,184.36, 3,013.32 and 1,563.72 is: 2,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.36 : 3,013.32 = 1,563.72 : x
  2. Step 2: Convert to fraction form
    2,184.36/3,013.32 = 1,563.72/x
  3. Step 3: Cross multiply
    2,184.36x = 3,013.32 × 1,563.72
  4. Step 4: Simplify right side
    2,184.36x = 4,711,988.75
  5. Step 5: Solve for x
    x = 4,711,988.75/2,184.36
  6. Step 6: Final answer
    x = 2,157.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.