Home / 1,305.51-1,798.36-1,010.26

Finding the Fourth Proportional to 1,305.51, 1,798.36 and 1,010.26

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Solution

The fourth proportional to 1,305.51, 1,798.36 and 1,010.26 is: 1,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305.51 : 1,798.36 = 1,010.26 : x
  2. Step 2: Convert to fraction form
    1,305.51/1,798.36 = 1,010.26/x
  3. Step 3: Cross multiply
    1,305.51x = 1,798.36 × 1,010.26
  4. Step 4: Simplify right side
    1,305.51x = 1,816,811.17
  5. Step 5: Solve for x
    x = 1,816,811.17/1,305.51
  6. Step 6: Final answer
    x = 1,391.65

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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.