Home / 1,440.36-2,158.37-1,051.16

Finding the Fourth Proportional to 1,440.36, 2,158.37 and 1,051.16

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Solution

The fourth proportional to 1,440.36, 2,158.37 and 1,051.16 is: 1,575.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440.36 : 2,158.37 = 1,051.16 : x
  2. Step 2: Convert to fraction form
    1,440.36/2,158.37 = 1,051.16/x
  3. Step 3: Cross multiply
    1,440.36x = 2,158.37 × 1,051.16
  4. Step 4: Simplify right side
    1,440.36x = 2,268,776.16
  5. Step 5: Solve for x
    x = 2,268,776.16/1,440.36
  6. Step 6: Final answer
    x = 1,575.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.