Home / 2,976.54-4,107.60-1,717.50

Finding the Fourth Proportional to 2,976.54, 4,107.60 and 1,717.50

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Solution

The fourth proportional to 2,976.54, 4,107.60 and 1,717.50 is: 2,370.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.54 : 4,107.60 = 1,717.50 : x
  2. Step 2: Convert to fraction form
    2,976.54/4,107.60 = 1,717.50/x
  3. Step 3: Cross multiply
    2,976.54x = 4,107.60 × 1,717.50
  4. Step 4: Simplify right side
    2,976.54x = 7,054,803.00
  5. Step 5: Solve for x
    x = 7,054,803.00/2,976.54
  6. Step 6: Final answer
    x = 2,370.14

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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.