Home / 2,760.08-4,129.99-1,528.67

Finding the Fourth Proportional to 2,760.08, 4,129.99 and 1,528.67

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Solution

The fourth proportional to 2,760.08, 4,129.99 and 1,528.67 is: 2,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.08 : 4,129.99 = 1,528.67 : x
  2. Step 2: Convert to fraction form
    2,760.08/4,129.99 = 1,528.67/x
  3. Step 3: Cross multiply
    2,760.08x = 4,129.99 × 1,528.67
  4. Step 4: Simplify right side
    2,760.08x = 6,313,398.32
  5. Step 5: Solve for x
    x = 6,313,398.32/2,760.08
  6. Step 6: Final answer
    x = 2,287.40

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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.