Home / 3,140.04-4,334.32-1,814.28

Finding the Fourth Proportional to 3,140.04, 4,334.32 and 1,814.28

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Solution

The fourth proportional to 3,140.04, 4,334.32 and 1,814.28 is: 2,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.04 : 4,334.32 = 1,814.28 : x
  2. Step 2: Convert to fraction form
    3,140.04/4,334.32 = 1,814.28/x
  3. Step 3: Cross multiply
    3,140.04x = 4,334.32 × 1,814.28
  4. Step 4: Simplify right side
    3,140.04x = 7,863,670.09
  5. Step 5: Solve for x
    x = 7,863,670.09/3,140.04
  6. Step 6: Final answer
    x = 2,504.32

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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.