Home / 1,316.41-1,815.78-1,036.24

Finding the Fourth Proportional to 1,316.41, 1,815.78 and 1,036.24

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Solution

The fourth proportional to 1,316.41, 1,815.78 and 1,036.24 is: 1,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316.41 : 1,815.78 = 1,036.24 : x
  2. Step 2: Convert to fraction form
    1,316.41/1,815.78 = 1,036.24/x
  3. Step 3: Cross multiply
    1,316.41x = 1,815.78 × 1,036.24
  4. Step 4: Simplify right side
    1,316.41x = 1,881,583.87
  5. Step 5: Solve for x
    x = 1,881,583.87/1,316.41
  6. Step 6: Final answer
    x = 1,429.33

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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.