Home / 3,143.04-4,337.38-1,745.79

Finding the Fourth Proportional to 3,143.04, 4,337.38 and 1,745.79

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Solution

The fourth proportional to 3,143.04, 4,337.38 and 1,745.79 is: 2,409.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.04 : 4,337.38 = 1,745.79 : x
  2. Step 2: Convert to fraction form
    3,143.04/4,337.38 = 1,745.79/x
  3. Step 3: Cross multiply
    3,143.04x = 4,337.38 × 1,745.79
  4. Step 4: Simplify right side
    3,143.04x = 7,572,154.63
  5. Step 5: Solve for x
    x = 7,572,154.63/3,143.04
  6. Step 6: Final answer
    x = 2,409.18

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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.