Home / 1,813.60-2,502.69-1,027.63

Finding the Fourth Proportional to 1,813.60, 2,502.69 and 1,027.63

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Solution

The fourth proportional to 1,813.60, 2,502.69 and 1,027.63 is: 1,418.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.60 : 2,502.69 = 1,027.63 : x
  2. Step 2: Convert to fraction form
    1,813.60/2,502.69 = 1,027.63/x
  3. Step 3: Cross multiply
    1,813.60x = 2,502.69 × 1,027.63
  4. Step 4: Simplify right side
    1,813.60x = 2,571,839.32
  5. Step 5: Solve for x
    x = 2,571,839.32/1,813.60
  6. Step 6: Final answer
    x = 1,418.09

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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.