Home / 2,027.21-2,798.46-1,430.17

Finding the Fourth Proportional to 2,027.21, 2,798.46 and 1,430.17

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Solution

The fourth proportional to 2,027.21, 2,798.46 and 1,430.17 is: 1,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.21 : 2,798.46 = 1,430.17 : x
  2. Step 2: Convert to fraction form
    2,027.21/2,798.46 = 1,430.17/x
  3. Step 3: Cross multiply
    2,027.21x = 2,798.46 × 1,430.17
  4. Step 4: Simplify right side
    2,027.21x = 4,002,266.54
  5. Step 5: Solve for x
    x = 4,002,266.54/2,027.21
  6. Step 6: Final answer
    x = 1,974.28

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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.