Home / 1,615.90-2,423.85-1,433.65

Finding the Fourth Proportional to 1,615.90, 2,423.85 and 1,433.65

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Solution

The fourth proportional to 1,615.90, 2,423.85 and 1,433.65 is: 2,150.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.90 : 2,423.85 = 1,433.65 : x
  2. Step 2: Convert to fraction form
    1,615.90/2,423.85 = 1,433.65/x
  3. Step 3: Cross multiply
    1,615.90x = 2,423.85 × 1,433.65
  4. Step 4: Simplify right side
    1,615.90x = 3,474,952.55
  5. Step 5: Solve for x
    x = 3,474,952.55/1,615.90
  6. Step 6: Final answer
    x = 2,150.48

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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.