Home / 3,143.77-4,337.16-1,817.23

Finding the Fourth Proportional to 3,143.77, 4,337.16 and 1,817.23

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Solution

The fourth proportional to 3,143.77, 4,337.16 and 1,817.23 is: 2,507.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.77 : 4,337.16 = 1,817.23 : x
  2. Step 2: Convert to fraction form
    3,143.77/4,337.16 = 1,817.23/x
  3. Step 3: Cross multiply
    3,143.77x = 4,337.16 × 1,817.23
  4. Step 4: Simplify right side
    3,143.77x = 7,881,617.27
  5. Step 5: Solve for x
    x = 7,881,617.27/3,143.77
  6. Step 6: Final answer
    x = 2,507.06

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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.