Home / 1,579.41-2,368.74-701.43

Finding the Fourth Proportional to 1,579.41, 2,368.74 and 701.43

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Solution

The fourth proportional to 1,579.41, 2,368.74 and 701.43 is: 1,051.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.41 : 2,368.74 = 701.43 : x
  2. Step 2: Convert to fraction form
    1,579.41/2,368.74 = 701.43/x
  3. Step 3: Cross multiply
    1,579.41x = 2,368.74 × 701.43
  4. Step 4: Simplify right side
    1,579.41x = 1,661,505.30
  5. Step 5: Solve for x
    x = 1,661,505.30/1,579.41
  6. Step 6: Final answer
    x = 1,051.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.