Home / 2,144.34-2,958.48-1,358.28

Finding the Fourth Proportional to 2,144.34, 2,958.48 and 1,358.28

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Solution

The fourth proportional to 2,144.34, 2,958.48 and 1,358.28 is: 1,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.34 : 2,958.48 = 1,358.28 : x
  2. Step 2: Convert to fraction form
    2,144.34/2,958.48 = 1,358.28/x
  3. Step 3: Cross multiply
    2,144.34x = 2,958.48 × 1,358.28
  4. Step 4: Simplify right side
    2,144.34x = 4,018,444.21
  5. Step 5: Solve for x
    x = 4,018,444.21/2,144.34
  6. Step 6: Final answer
    x = 1,873.98

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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.