Home / 1,897.40-2,618.42-1,058.07

Finding the Fourth Proportional to 1,897.40, 2,618.42 and 1,058.07

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Solution

The fourth proportional to 1,897.40, 2,618.42 and 1,058.07 is: 1,460.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.40 : 2,618.42 = 1,058.07 : x
  2. Step 2: Convert to fraction form
    1,897.40/2,618.42 = 1,058.07/x
  3. Step 3: Cross multiply
    1,897.40x = 2,618.42 × 1,058.07
  4. Step 4: Simplify right side
    1,897.40x = 2,770,466.36
  5. Step 5: Solve for x
    x = 2,770,466.36/1,897.40
  6. Step 6: Final answer
    x = 1,460.14

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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.