Home / 1,051.26-1,440.23-1,011.85

Finding the Fourth Proportional to 1,051.26, 1,440.23 and 1,011.85

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Solution

The fourth proportional to 1,051.26, 1,440.23 and 1,011.85 is: 1,386.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.26 : 1,440.23 = 1,011.85 : x
  2. Step 2: Convert to fraction form
    1,051.26/1,440.23 = 1,011.85/x
  3. Step 3: Cross multiply
    1,051.26x = 1,440.23 × 1,011.85
  4. Step 4: Simplify right side
    1,051.26x = 1,457,297.82
  5. Step 5: Solve for x
    x = 1,457,297.82/1,051.26
  6. Step 6: Final answer
    x = 1,386.24

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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.