Home / 3,140.18-4,331.04-2,300.58

Finding the Fourth Proportional to 3,140.18, 4,331.04 and 2,300.58

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Solution

The fourth proportional to 3,140.18, 4,331.04 and 2,300.58 is: 3,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.18 : 4,331.04 = 2,300.58 : x
  2. Step 2: Convert to fraction form
    3,140.18/4,331.04 = 2,300.58/x
  3. Step 3: Cross multiply
    3,140.18x = 4,331.04 × 2,300.58
  4. Step 4: Simplify right side
    3,140.18x = 9,963,904.00
  5. Step 5: Solve for x
    x = 9,963,904.00/3,140.18
  6. Step 6: Final answer
    x = 3,173.04

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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.