Home / 2,588.29-3,883.38-1,615.21

Finding the Fourth Proportional to 2,588.29, 3,883.38 and 1,615.21

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Solution

The fourth proportional to 2,588.29, 3,883.38 and 1,615.21 is: 2,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.29 : 3,883.38 = 1,615.21 : x
  2. Step 2: Convert to fraction form
    2,588.29/3,883.38 = 1,615.21/x
  3. Step 3: Cross multiply
    2,588.29x = 3,883.38 × 1,615.21
  4. Step 4: Simplify right side
    2,588.29x = 6,272,474.21
  5. Step 5: Solve for x
    x = 6,272,474.21/2,588.29
  6. Step 6: Final answer
    x = 2,423.40

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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.