Home / 3,045.90-4,561.55-1,931.43

Finding the Fourth Proportional to 3,045.90, 4,561.55 and 1,931.43

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Solution

The fourth proportional to 3,045.90, 4,561.55 and 1,931.43 is: 2,892.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.90 : 4,561.55 = 1,931.43 : x
  2. Step 2: Convert to fraction form
    3,045.90/4,561.55 = 1,931.43/x
  3. Step 3: Cross multiply
    3,045.90x = 4,561.55 × 1,931.43
  4. Step 4: Simplify right side
    3,045.90x = 8,810,304.86
  5. Step 5: Solve for x
    x = 8,810,304.86/3,045.90
  6. Step 6: Final answer
    x = 2,892.51

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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.