Home / 2,381.06-3,564.68-2,130.98

Finding the Fourth Proportional to 2,381.06, 3,564.68 and 2,130.98

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Solution

The fourth proportional to 2,381.06, 3,564.68 and 2,130.98 is: 3,190.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.06 : 3,564.68 = 2,130.98 : x
  2. Step 2: Convert to fraction form
    2,381.06/3,564.68 = 2,130.98/x
  3. Step 3: Cross multiply
    2,381.06x = 3,564.68 × 2,130.98
  4. Step 4: Simplify right side
    2,381.06x = 7,596,233.31
  5. Step 5: Solve for x
    x = 7,596,233.31/2,381.06
  6. Step 6: Final answer
    x = 3,190.27

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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.