Home / 2,002.60-2,762.58-1,339.48

Finding the Fourth Proportional to 2,002.60, 2,762.58 and 1,339.48

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Solution

The fourth proportional to 2,002.60, 2,762.58 and 1,339.48 is: 1,847.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.60 : 2,762.58 = 1,339.48 : x
  2. Step 2: Convert to fraction form
    2,002.60/2,762.58 = 1,339.48/x
  3. Step 3: Cross multiply
    2,002.60x = 2,762.58 × 1,339.48
  4. Step 4: Simplify right side
    2,002.60x = 3,700,420.66
  5. Step 5: Solve for x
    x = 3,700,420.66/2,002.60
  6. Step 6: Final answer
    x = 1,847.81

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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.