Home / 2,331.84-3,218.04-1,337.40

Finding the Fourth Proportional to 2,331.84, 3,218.04 and 1,337.40

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Solution

The fourth proportional to 2,331.84, 3,218.04 and 1,337.40 is: 1,845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.84 : 3,218.04 = 1,337.40 : x
  2. Step 2: Convert to fraction form
    2,331.84/3,218.04 = 1,337.40/x
  3. Step 3: Cross multiply
    2,331.84x = 3,218.04 × 1,337.40
  4. Step 4: Simplify right side
    2,331.84x = 4,303,806.70
  5. Step 5: Solve for x
    x = 4,303,806.70/2,331.84
  6. Step 6: Final answer
    x = 1,845.67

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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.