Home / 2,958.30-4,080.10-1,837.12

Finding the Fourth Proportional to 2,958.30, 4,080.10 and 1,837.12

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Solution

The fourth proportional to 2,958.30, 4,080.10 and 1,837.12 is: 2,533.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.30 : 4,080.10 = 1,837.12 : x
  2. Step 2: Convert to fraction form
    2,958.30/4,080.10 = 1,837.12/x
  3. Step 3: Cross multiply
    2,958.30x = 4,080.10 × 1,837.12
  4. Step 4: Simplify right side
    2,958.30x = 7,495,633.31
  5. Step 5: Solve for x
    x = 7,495,633.31/2,958.30
  6. Step 6: Final answer
    x = 2,533.76

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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.