Home / 3,020.58-4,528.74-1,045.75

Finding the Fourth Proportional to 3,020.58, 4,528.74 and 1,045.75

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Solution

The fourth proportional to 3,020.58, 4,528.74 and 1,045.75 is: 1,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.58 : 4,528.74 = 1,045.75 : x
  2. Step 2: Convert to fraction form
    3,020.58/4,528.74 = 1,045.75/x
  3. Step 3: Cross multiply
    3,020.58x = 4,528.74 × 1,045.75
  4. Step 4: Simplify right side
    3,020.58x = 4,735,929.86
  5. Step 5: Solve for x
    x = 4,735,929.86/3,020.58
  6. Step 6: Final answer
    x = 1,567.89

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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.