Home / 1,897.74-2,618.81-1,058.48

Finding the Fourth Proportional to 1,897.74, 2,618.81 and 1,058.48

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Solution

The fourth proportional to 1,897.74, 2,618.81 and 1,058.48 is: 1,460.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.74 : 2,618.81 = 1,058.48 : x
  2. Step 2: Convert to fraction form
    1,897.74/2,618.81 = 1,058.48/x
  3. Step 3: Cross multiply
    1,897.74x = 2,618.81 × 1,058.48
  4. Step 4: Simplify right side
    1,897.74x = 2,771,953.41
  5. Step 5: Solve for x
    x = 2,771,953.41/1,897.74
  6. Step 6: Final answer
    x = 1,460.66

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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.