Home / 1,858.24-2,564.37-1,018.95

Finding the Fourth Proportional to 1,858.24, 2,564.37 and 1,018.95

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Solution

The fourth proportional to 1,858.24, 2,564.37 and 1,018.95 is: 1,406.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.24 : 2,564.37 = 1,018.95 : x
  2. Step 2: Convert to fraction form
    1,858.24/2,564.37 = 1,018.95/x
  3. Step 3: Cross multiply
    1,858.24x = 2,564.37 × 1,018.95
  4. Step 4: Simplify right side
    1,858.24x = 2,612,964.81
  5. Step 5: Solve for x
    x = 2,612,964.81/1,858.24
  6. Step 6: Final answer
    x = 1,406.15

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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.