Home / 1,923.79-2,882.90-1,045.55

Finding the Fourth Proportional to 1,923.79, 2,882.90 and 1,045.55

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Solution

The fourth proportional to 1,923.79, 2,882.90 and 1,045.55 is: 1,566.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.79 : 2,882.90 = 1,045.55 : x
  2. Step 2: Convert to fraction form
    1,923.79/2,882.90 = 1,045.55/x
  3. Step 3: Cross multiply
    1,923.79x = 2,882.90 × 1,045.55
  4. Step 4: Simplify right side
    1,923.79x = 3,014,216.10
  5. Step 5: Solve for x
    x = 3,014,216.10/1,923.79
  6. Step 6: Final answer
    x = 1,566.81

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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.