Home / 1,864.36-2,780.26-1,634.32

Finding the Fourth Proportional to 1,864.36, 2,780.26 and 1,634.32

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Solution

The fourth proportional to 1,864.36, 2,780.26 and 1,634.32 is: 2,437.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.36 : 2,780.26 = 1,634.32 : x
  2. Step 2: Convert to fraction form
    1,864.36/2,780.26 = 1,634.32/x
  3. Step 3: Cross multiply
    1,864.36x = 2,780.26 × 1,634.32
  4. Step 4: Simplify right side
    1,864.36x = 4,543,834.52
  5. Step 5: Solve for x
    x = 4,543,834.52/1,864.36
  6. Step 6: Final answer
    x = 2,437.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.