Home / 3,045.45-4,562.28-1,872.00

Finding the Fourth Proportional to 3,045.45, 4,562.28 and 1,872.00

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Solution

The fourth proportional to 3,045.45, 4,562.28 and 1,872.00 is: 2,804.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.45 : 4,562.28 = 1,872.00 : x
  2. Step 2: Convert to fraction form
    3,045.45/4,562.28 = 1,872.00/x
  3. Step 3: Cross multiply
    3,045.45x = 4,562.28 × 1,872.00
  4. Step 4: Simplify right side
    3,045.45x = 8,540,565.35
  5. Step 5: Solve for x
    x = 8,540,565.35/3,045.45
  6. Step 6: Final answer
    x = 2,804.37

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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.