Home / 3,140.63-4,710.95-1,192.37

Finding the Fourth Proportional to 3,140.63, 4,710.95 and 1,192.37

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Solution

The fourth proportional to 3,140.63, 4,710.95 and 1,192.37 is: 1,788.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.63 : 4,710.95 = 1,192.37 : x
  2. Step 2: Convert to fraction form
    3,140.63/4,710.95 = 1,192.37/x
  3. Step 3: Cross multiply
    3,140.63x = 4,710.95 × 1,192.37
  4. Step 4: Simplify right side
    3,140.63x = 5,617,189.49
  5. Step 5: Solve for x
    x = 5,617,189.49/3,140.63
  6. Step 6: Final answer
    x = 1,788.56

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Similar ratio
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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.