Home / 1,492.97-2,058.75-1,021.55

Finding the Fourth Proportional to 1,492.97, 2,058.75 and 1,021.55

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Solution

The fourth proportional to 1,492.97, 2,058.75 and 1,021.55 is: 1,408.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.97 : 2,058.75 = 1,021.55 : x
  2. Step 2: Convert to fraction form
    1,492.97/2,058.75 = 1,021.55/x
  3. Step 3: Cross multiply
    1,492.97x = 2,058.75 × 1,021.55
  4. Step 4: Simplify right side
    1,492.97x = 2,103,105.77
  5. Step 5: Solve for x
    x = 2,103,105.77/1,492.97
  6. Step 6: Final answer
    x = 1,408.68

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1.5x scale

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.