Home / 1,786.07-2,465.43-1,345.25

Finding the Fourth Proportional to 1,786.07, 2,465.43 and 1,345.25

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Solution

The fourth proportional to 1,786.07, 2,465.43 and 1,345.25 is: 1,856.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.07 : 2,465.43 = 1,345.25 : x
  2. Step 2: Convert to fraction form
    1,786.07/2,465.43 = 1,345.25/x
  3. Step 3: Cross multiply
    1,786.07x = 2,465.43 × 1,345.25
  4. Step 4: Simplify right side
    1,786.07x = 3,316,619.71
  5. Step 5: Solve for x
    x = 3,316,619.71/1,786.07
  6. Step 6: Final answer
    x = 1,856.94

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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.