Home / 1,982.45-2,965.46-1,510.35

Finding the Fourth Proportional to 1,982.45, 2,965.46 and 1,510.35

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Solution

The fourth proportional to 1,982.45, 2,965.46 and 1,510.35 is: 2,259.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.45 : 2,965.46 = 1,510.35 : x
  2. Step 2: Convert to fraction form
    1,982.45/2,965.46 = 1,510.35/x
  3. Step 3: Cross multiply
    1,982.45x = 2,965.46 × 1,510.35
  4. Step 4: Simplify right side
    1,982.45x = 4,478,895.99
  5. Step 5: Solve for x
    x = 4,478,895.99/1,982.45
  6. Step 6: Final answer
    x = 2,259.27

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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.