Home / 1,486.37-2,225.09-964.86

Finding the Fourth Proportional to 1,486.37, 2,225.09 and 964.86

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Solution

The fourth proportional to 1,486.37, 2,225.09 and 964.86 is: 1,444.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.37 : 2,225.09 = 964.86 : x
  2. Step 2: Convert to fraction form
    1,486.37/2,225.09 = 964.86/x
  3. Step 3: Cross multiply
    1,486.37x = 2,225.09 × 964.86
  4. Step 4: Simplify right side
    1,486.37x = 2,146,895.51
  5. Step 5: Solve for x
    x = 2,146,895.51/1,486.37
  6. Step 6: Final answer
    x = 1,444.39

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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.