Home / 2,387.79-3,581.69-2,333.12

Finding the Fourth Proportional to 2,387.79, 3,581.69 and 2,333.12

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Solution

The fourth proportional to 2,387.79, 3,581.69 and 2,333.12 is: 3,499.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.79 : 3,581.69 = 2,333.12 : x
  2. Step 2: Convert to fraction form
    2,387.79/3,581.69 = 2,333.12/x
  3. Step 3: Cross multiply
    2,387.79x = 3,581.69 × 2,333.12
  4. Step 4: Simplify right side
    2,387.79x = 8,356,483.00
  5. Step 5: Solve for x
    x = 8,356,483.00/2,387.79
  6. Step 6: Final answer
    x = 3,499.67

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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.