Home / 2,976.48-4,107.51-1,857.87

Finding the Fourth Proportional to 2,976.48, 4,107.51 and 1,857.87

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Solution

The fourth proportional to 2,976.48, 4,107.51 and 1,857.87 is: 2,563.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.48 : 4,107.51 = 1,857.87 : x
  2. Step 2: Convert to fraction form
    2,976.48/4,107.51 = 1,857.87/x
  3. Step 3: Cross multiply
    2,976.48x = 4,107.51 × 1,857.87
  4. Step 4: Simplify right side
    2,976.48x = 7,631,219.60
  5. Step 5: Solve for x
    x = 7,631,219.60/2,976.48
  6. Step 6: Final answer
    x = 2,563.84

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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.