Home / 3,123.18-4,680.39-2,426.67

Finding the Fourth Proportional to 3,123.18, 4,680.39 and 2,426.67

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Solution

The fourth proportional to 3,123.18, 4,680.39 and 2,426.67 is: 3,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.18 : 4,680.39 = 2,426.67 : x
  2. Step 2: Convert to fraction form
    3,123.18/4,680.39 = 2,426.67/x
  3. Step 3: Cross multiply
    3,123.18x = 4,680.39 × 2,426.67
  4. Step 4: Simplify right side
    3,123.18x = 11,357,762.00
  5. Step 5: Solve for x
    x = 11,357,762.00/3,123.18
  6. Step 6: Final answer
    x = 3,636.60

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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.