Home / 2,156.03-3,235.68-1,461.05

Finding the Fourth Proportional to 2,156.03, 3,235.68 and 1,461.05

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Solution

The fourth proportional to 2,156.03, 3,235.68 and 1,461.05 is: 2,192.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156.03 : 3,235.68 = 1,461.05 : x
  2. Step 2: Convert to fraction form
    2,156.03/3,235.68 = 1,461.05/x
  3. Step 3: Cross multiply
    2,156.03x = 3,235.68 × 1,461.05
  4. Step 4: Simplify right side
    2,156.03x = 4,727,474.09
  5. Step 5: Solve for x
    x = 4,727,474.09/2,156.03
  6. Step 6: Final answer
    x = 2,192.68

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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.