Home / 1,402.90-2,104.34-1,058.44

Finding the Fourth Proportional to 1,402.90, 2,104.34 and 1,058.44

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Solution

The fourth proportional to 1,402.90, 2,104.34 and 1,058.44 is: 1,587.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402.90 : 2,104.34 = 1,058.44 : x
  2. Step 2: Convert to fraction form
    1,402.90/2,104.34 = 1,058.44/x
  3. Step 3: Cross multiply
    1,402.90x = 2,104.34 × 1,058.44
  4. Step 4: Simplify right side
    1,402.90x = 2,227,317.63
  5. Step 5: Solve for x
    x = 2,227,317.63/1,402.90
  6. Step 6: Final answer
    x = 1,587.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.