Home / 2,913.18-4,370.46-1,525.78

Finding the Fourth Proportional to 2,913.18, 4,370.46 and 1,525.78

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Solution

The fourth proportional to 2,913.18, 4,370.46 and 1,525.78 is: 2,289.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.18 : 4,370.46 = 1,525.78 : x
  2. Step 2: Convert to fraction form
    2,913.18/4,370.46 = 1,525.78/x
  3. Step 3: Cross multiply
    2,913.18x = 4,370.46 × 1,525.78
  4. Step 4: Simplify right side
    2,913.18x = 6,668,360.46
  5. Step 5: Solve for x
    x = 6,668,360.46/2,913.18
  6. Step 6: Final answer
    x = 2,289.03

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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.