Home / 1,813.48-2,502.55-1,027.51

Finding the Fourth Proportional to 1,813.48, 2,502.55 and 1,027.51

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Solution

The fourth proportional to 1,813.48, 2,502.55 and 1,027.51 is: 1,417.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.48 : 2,502.55 = 1,027.51 : x
  2. Step 2: Convert to fraction form
    1,813.48/2,502.55 = 1,027.51/x
  3. Step 3: Cross multiply
    1,813.48x = 2,502.55 × 1,027.51
  4. Step 4: Simplify right side
    1,813.48x = 2,571,395.15
  5. Step 5: Solve for x
    x = 2,571,395.15/1,813.48
  6. Step 6: Final answer
    x = 1,417.93

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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.