Home / 1,923.40-2,885.10-462.55

Finding the Fourth Proportional to 1,923.40, 2,885.10 and 462.55

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Solution

The fourth proportional to 1,923.40, 2,885.10 and 462.55 is: 693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.40 : 2,885.10 = 462.55 : x
  2. Step 2: Convert to fraction form
    1,923.40/2,885.10 = 462.55/x
  3. Step 3: Cross multiply
    1,923.40x = 2,885.10 × 462.55
  4. Step 4: Simplify right side
    1,923.40x = 1,334,504.88
  5. Step 5: Solve for x
    x = 1,334,504.88/1,923.40
  6. Step 6: Final answer
    x = 693.83

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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.