Home / 3,140.32-4,333.60-1,814.00

Finding the Fourth Proportional to 3,140.32, 4,333.60 and 1,814.00

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Solution

The fourth proportional to 3,140.32, 4,333.60 and 1,814.00 is: 2,503.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.32 : 4,333.60 = 1,814.00 : x
  2. Step 2: Convert to fraction form
    3,140.32/4,333.60 = 1,814.00/x
  3. Step 3: Cross multiply
    3,140.32x = 4,333.60 × 1,814.00
  4. Step 4: Simplify right side
    3,140.32x = 7,861,131.00
  5. Step 5: Solve for x
    x = 7,861,131.00/3,140.32
  6. Step 6: Final answer
    x = 2,503.29

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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.