Home / 3,462.02-4,777.60-1,890.20

Finding the Fourth Proportional to 3,462.02, 4,777.60 and 1,890.20

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Solution

The fourth proportional to 3,462.02, 4,777.60 and 1,890.20 is: 2,608.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.02 : 4,777.60 = 1,890.20 : x
  2. Step 2: Convert to fraction form
    3,462.02/4,777.60 = 1,890.20/x
  3. Step 3: Cross multiply
    3,462.02x = 4,777.60 × 1,890.20
  4. Step 4: Simplify right side
    3,462.02x = 9,030,619.52
  5. Step 5: Solve for x
    x = 9,030,619.52/3,462.02
  6. Step 6: Final answer
    x = 2,608.48

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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.