Home / 2,752.40-4,129.54-1,518.24

Finding the Fourth Proportional to 2,752.40, 4,129.54 and 1,518.24

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Solution

The fourth proportional to 2,752.40, 4,129.54 and 1,518.24 is: 2,277.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.40 : 4,129.54 = 1,518.24 : x
  2. Step 2: Convert to fraction form
    2,752.40/4,129.54 = 1,518.24/x
  3. Step 3: Cross multiply
    2,752.40x = 4,129.54 × 1,518.24
  4. Step 4: Simplify right side
    2,752.40x = 6,269,632.81
  5. Step 5: Solve for x
    x = 6,269,632.81/2,752.40
  6. Step 6: Final answer
    x = 2,277.88

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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.