Home / 3,345.42-5,014.83-1,615.26

Finding the Fourth Proportional to 3,345.42, 5,014.83 and 1,615.26

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Solution

The fourth proportional to 3,345.42, 5,014.83 and 1,615.26 is: 2,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.42 : 5,014.83 = 1,615.26 : x
  2. Step 2: Convert to fraction form
    3,345.42/5,014.83 = 1,615.26/x
  3. Step 3: Cross multiply
    3,345.42x = 5,014.83 × 1,615.26
  4. Step 4: Simplify right side
    3,345.42x = 8,100,254.31
  5. Step 5: Solve for x
    x = 8,100,254.31/3,345.42
  6. Step 6: Final answer
    x = 2,421.30

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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.