Home / 1,898.21-2,619.48-1,058.98

Finding the Fourth Proportional to 1,898.21, 2,619.48 and 1,058.98

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Solution

The fourth proportional to 1,898.21, 2,619.48 and 1,058.98 is: 1,461.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898.21 : 2,619.48 = 1,058.98 : x
  2. Step 2: Convert to fraction form
    1,898.21/2,619.48 = 1,058.98/x
  3. Step 3: Cross multiply
    1,898.21x = 2,619.48 × 1,058.98
  4. Step 4: Simplify right side
    1,898.21x = 2,773,976.93
  5. Step 5: Solve for x
    x = 2,773,976.93/1,898.21
  6. Step 6: Final answer
    x = 1,461.36

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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.