Home / 1,865.09-2,573.80-1,068.56

Finding the Fourth Proportional to 1,865.09, 2,573.80 and 1,068.56

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Solution

The fourth proportional to 1,865.09, 2,573.80 and 1,068.56 is: 1,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.09 : 2,573.80 = 1,068.56 : x
  2. Step 2: Convert to fraction form
    1,865.09/2,573.80 = 1,068.56/x
  3. Step 3: Cross multiply
    1,865.09x = 2,573.80 × 1,068.56
  4. Step 4: Simplify right side
    1,865.09x = 2,750,246.86
  5. Step 5: Solve for x
    x = 2,750,246.86/1,865.09
  6. Step 6: Final answer
    x = 1,474.60

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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.