Home / 3,623.94-5,430.59-2,141.64

Finding the Fourth Proportional to 3,623.94, 5,430.59 and 2,141.64

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Solution

The fourth proportional to 3,623.94, 5,430.59 and 2,141.64 is: 3,209.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.94 : 5,430.59 = 2,141.64 : x
  2. Step 2: Convert to fraction form
    3,623.94/5,430.59 = 2,141.64/x
  3. Step 3: Cross multiply
    3,623.94x = 5,430.59 × 2,141.64
  4. Step 4: Simplify right side
    3,623.94x = 11,630,368.77
  5. Step 5: Solve for x
    x = 11,630,368.77/3,623.94
  6. Step 6: Final answer
    x = 3,209.32

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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.