Home / 1,858.42-2,564.67-1,335.43

Finding the Fourth Proportional to 1,858.42, 2,564.67 and 1,335.43

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Solution

The fourth proportional to 1,858.42, 2,564.67 and 1,335.43 is: 1,842.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.42 : 2,564.67 = 1,335.43 : x
  2. Step 2: Convert to fraction form
    1,858.42/2,564.67 = 1,335.43/x
  3. Step 3: Cross multiply
    1,858.42x = 2,564.67 × 1,335.43
  4. Step 4: Simplify right side
    1,858.42x = 3,424,937.26
  5. Step 5: Solve for x
    x = 3,424,937.26/1,858.42
  6. Step 6: Final answer
    x = 1,842.93

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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.