Home / 1,374.04-1,894.62-1,000.36

Finding the Fourth Proportional to 1,374.04, 1,894.62 and 1,000.36

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Solution

The fourth proportional to 1,374.04, 1,894.62 and 1,000.36 is: 1,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374.04 : 1,894.62 = 1,000.36 : x
  2. Step 2: Convert to fraction form
    1,374.04/1,894.62 = 1,000.36/x
  3. Step 3: Cross multiply
    1,374.04x = 1,894.62 × 1,000.36
  4. Step 4: Simplify right side
    1,374.04x = 1,895,302.06
  5. Step 5: Solve for x
    x = 1,895,302.06/1,374.04
  6. Step 6: Final answer
    x = 1,379.36

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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.