Home / 3,125.45-4,685.48-1,739.18

Finding the Fourth Proportional to 3,125.45, 4,685.48 and 1,739.18

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Solution

The fourth proportional to 3,125.45, 4,685.48 and 1,739.18 is: 2,607.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.45 : 4,685.48 = 1,739.18 : x
  2. Step 2: Convert to fraction form
    3,125.45/4,685.48 = 1,739.18/x
  3. Step 3: Cross multiply
    3,125.45x = 4,685.48 × 1,739.18
  4. Step 4: Simplify right side
    3,125.45x = 8,148,875.92
  5. Step 5: Solve for x
    x = 8,148,875.92/3,125.45
  6. Step 6: Final answer
    x = 2,607.27

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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.