Home / 1,162.12-1,603.38-1,051.24

Finding the Fourth Proportional to 1,162.12, 1,603.38 and 1,051.24

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Solution

The fourth proportional to 1,162.12, 1,603.38 and 1,051.24 is: 1,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.12 : 1,603.38 = 1,051.24 : x
  2. Step 2: Convert to fraction form
    1,162.12/1,603.38 = 1,051.24/x
  3. Step 3: Cross multiply
    1,162.12x = 1,603.38 × 1,051.24
  4. Step 4: Simplify right side
    1,162.12x = 1,685,537.19
  5. Step 5: Solve for x
    x = 1,685,537.19/1,162.12
  6. Step 6: Final answer
    x = 1,450.40

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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.