Home / 1,837.35-2,529.23-1,395.09

Finding the Fourth Proportional to 1,837.35, 2,529.23 and 1,395.09

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Solution

The fourth proportional to 1,837.35, 2,529.23 and 1,395.09 is: 1,920.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.35 : 2,529.23 = 1,395.09 : x
  2. Step 2: Convert to fraction form
    1,837.35/2,529.23 = 1,395.09/x
  3. Step 3: Cross multiply
    1,837.35x = 2,529.23 × 1,395.09
  4. Step 4: Simplify right side
    1,837.35x = 3,528,496.51
  5. Step 5: Solve for x
    x = 3,528,496.51/1,837.35
  6. Step 6: Final answer
    x = 1,920.43

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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.