Home / 1,106.17-1,518.35-1,058.65

Finding the Fourth Proportional to 1,106.17, 1,518.35 and 1,058.65

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Solution

The fourth proportional to 1,106.17, 1,518.35 and 1,058.65 is: 1,453.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106.17 : 1,518.35 = 1,058.65 : x
  2. Step 2: Convert to fraction form
    1,106.17/1,518.35 = 1,058.65/x
  3. Step 3: Cross multiply
    1,106.17x = 1,518.35 × 1,058.65
  4. Step 4: Simplify right side
    1,106.17x = 1,607,401.23
  5. Step 5: Solve for x
    x = 1,607,401.23/1,106.17
  6. Step 6: Final answer
    x = 1,453.12

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.