Home / 3,116.40-4,676.81-1,730.84

Finding the Fourth Proportional to 3,116.40, 4,676.81 and 1,730.84

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Solution

The fourth proportional to 3,116.40, 4,676.81 and 1,730.84 is: 2,597.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.40 : 4,676.81 = 1,730.84 : x
  2. Step 2: Convert to fraction form
    3,116.40/4,676.81 = 1,730.84/x
  3. Step 3: Cross multiply
    3,116.40x = 4,676.81 × 1,730.84
  4. Step 4: Simplify right side
    3,116.40x = 8,094,831.85
  5. Step 5: Solve for x
    x = 8,094,831.85/3,116.40
  6. Step 6: Final answer
    x = 2,597.50

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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.