Home / 2,610.60-3,602.55-1,431.63

Finding the Fourth Proportional to 2,610.60, 3,602.55 and 1,431.63

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Solution

The fourth proportional to 2,610.60, 3,602.55 and 1,431.63 is: 1,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.60 : 3,602.55 = 1,431.63 : x
  2. Step 2: Convert to fraction form
    2,610.60/3,602.55 = 1,431.63/x
  3. Step 3: Cross multiply
    2,610.60x = 3,602.55 × 1,431.63
  4. Step 4: Simplify right side
    2,610.60x = 5,157,518.66
  5. Step 5: Solve for x
    x = 5,157,518.66/2,610.60
  6. Step 6: Final answer
    x = 1,975.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.