Home / 2,529.63-3,795.05-1,230.80

Finding the Fourth Proportional to 2,529.63, 3,795.05 and 1,230.80

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Solution

The fourth proportional to 2,529.63, 3,795.05 and 1,230.80 is: 1,846.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.63 : 3,795.05 = 1,230.80 : x
  2. Step 2: Convert to fraction form
    2,529.63/3,795.05 = 1,230.80/x
  3. Step 3: Cross multiply
    2,529.63x = 3,795.05 × 1,230.80
  4. Step 4: Simplify right side
    2,529.63x = 4,670,931.64
  5. Step 5: Solve for x
    x = 4,670,931.64/2,529.63
  6. Step 6: Final answer
    x = 1,846.49

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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.