Home / 1,018.93-1,397.68-1,010.17

Finding the Fourth Proportional to 1,018.93, 1,397.68 and 1,010.17

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Solution

The fourth proportional to 1,018.93, 1,397.68 and 1,010.17 is: 1,385.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018.93 : 1,397.68 = 1,010.17 : x
  2. Step 2: Convert to fraction form
    1,018.93/1,397.68 = 1,010.17/x
  3. Step 3: Cross multiply
    1,018.93x = 1,397.68 × 1,010.17
  4. Step 4: Simplify right side
    1,018.93x = 1,411,896.47
  5. Step 5: Solve for x
    x = 1,411,896.47/1,018.93
  6. Step 6: Final answer
    x = 1,385.67

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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.