Home / 1,343.09-1,853.54-1,010.92

Finding the Fourth Proportional to 1,343.09, 1,853.54 and 1,010.92

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Solution

The fourth proportional to 1,343.09, 1,853.54 and 1,010.92 is: 1,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.09 : 1,853.54 = 1,010.92 : x
  2. Step 2: Convert to fraction form
    1,343.09/1,853.54 = 1,010.92/x
  3. Step 3: Cross multiply
    1,343.09x = 1,853.54 × 1,010.92
  4. Step 4: Simplify right side
    1,343.09x = 1,873,780.66
  5. Step 5: Solve for x
    x = 1,873,780.66/1,343.09
  6. Step 6: Final answer
    x = 1,395.13

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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.