Home / 1,858.25-2,564.48-1,061.65

Finding the Fourth Proportional to 1,858.25, 2,564.48 and 1,061.65

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Solution

The fourth proportional to 1,858.25, 2,564.48 and 1,061.65 is: 1,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.25 : 2,564.48 = 1,061.65 : x
  2. Step 2: Convert to fraction form
    1,858.25/2,564.48 = 1,061.65/x
  3. Step 3: Cross multiply
    1,858.25x = 2,564.48 × 1,061.65
  4. Step 4: Simplify right side
    1,858.25x = 2,722,580.19
  5. Step 5: Solve for x
    x = 2,722,580.19/1,858.25
  6. Step 6: Final answer
    x = 1,465.13

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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.