Home / 1,376.74-1,897.86-1,004.14

Finding the Fourth Proportional to 1,376.74, 1,897.86 and 1,004.14

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Solution

The fourth proportional to 1,376.74, 1,897.86 and 1,004.14 is: 1,384.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376.74 : 1,897.86 = 1,004.14 : x
  2. Step 2: Convert to fraction form
    1,376.74/1,897.86 = 1,004.14/x
  3. Step 3: Cross multiply
    1,376.74x = 1,897.86 × 1,004.14
  4. Step 4: Simplify right side
    1,376.74x = 1,905,717.14
  5. Step 5: Solve for x
    x = 1,905,717.14/1,376.74
  6. Step 6: Final answer
    x = 1,384.22

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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.