Home / 2,313.64-3,190.58-1,959.53

Finding the Fourth Proportional to 2,313.64, 3,190.58 and 1,959.53

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Solution

The fourth proportional to 2,313.64, 3,190.58 and 1,959.53 is: 2,702.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.64 : 3,190.58 = 1,959.53 : x
  2. Step 2: Convert to fraction form
    2,313.64/3,190.58 = 1,959.53/x
  3. Step 3: Cross multiply
    2,313.64x = 3,190.58 × 1,959.53
  4. Step 4: Simplify right side
    2,313.64x = 6,252,037.23
  5. Step 5: Solve for x
    x = 6,252,037.23/2,313.64
  6. Step 6: Final answer
    x = 2,702.25

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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.