Home / 1,417.44-2,126.28-377.60

Finding the Fourth Proportional to 1,417.44, 2,126.28 and 377.60

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Solution

The fourth proportional to 1,417.44, 2,126.28 and 377.60 is: 566.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.44 : 2,126.28 = 377.60 : x
  2. Step 2: Convert to fraction form
    1,417.44/2,126.28 = 377.60/x
  3. Step 3: Cross multiply
    1,417.44x = 2,126.28 × 377.60
  4. Step 4: Simplify right side
    1,417.44x = 802,883.33
  5. Step 5: Solve for x
    x = 802,883.33/1,417.44
  6. Step 6: Final answer
    x = 566.43

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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.