Home / 1,423.50-2,133.20-1,013.46

Finding the Fourth Proportional to 1,423.50, 2,133.20 and 1,013.46

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Solution

The fourth proportional to 1,423.50, 2,133.20 and 1,013.46 is: 1,518.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423.50 : 2,133.20 = 1,013.46 : x
  2. Step 2: Convert to fraction form
    1,423.50/2,133.20 = 1,013.46/x
  3. Step 3: Cross multiply
    1,423.50x = 2,133.20 × 1,013.46
  4. Step 4: Simplify right side
    1,423.50x = 2,161,912.87
  5. Step 5: Solve for x
    x = 2,161,912.87/1,423.50
  6. Step 6: Final answer
    x = 1,518.73

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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.