Home / 1,615.26-2,214.53-1,586.10

Finding the Fourth Proportional to 1,615.26, 2,214.53 and 1,586.10

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Solution

The fourth proportional to 1,615.26, 2,214.53 and 1,586.10 is: 2,174.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.26 : 2,214.53 = 1,586.10 : x
  2. Step 2: Convert to fraction form
    1,615.26/2,214.53 = 1,586.10/x
  3. Step 3: Cross multiply
    1,615.26x = 2,214.53 × 1,586.10
  4. Step 4: Simplify right side
    1,615.26x = 3,512,466.03
  5. Step 5: Solve for x
    x = 3,512,466.03/1,615.26
  6. Step 6: Final answer
    x = 2,174.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.