Home / 3,602.50-4,970.91-2,089.99

Finding the Fourth Proportional to 3,602.50, 4,970.91 and 2,089.99

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Solution

The fourth proportional to 3,602.50, 4,970.91 and 2,089.99 is: 2,883.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.50 : 4,970.91 = 2,089.99 : x
  2. Step 2: Convert to fraction form
    3,602.50/4,970.91 = 2,089.99/x
  3. Step 3: Cross multiply
    3,602.50x = 4,970.91 × 2,089.99
  4. Step 4: Simplify right side
    3,602.50x = 10,389,152.19
  5. Step 5: Solve for x
    x = 10,389,152.19/3,602.50
  6. Step 6: Final answer
    x = 2,883.88

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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.