Home / 1,670.45-2,305.65-962.37

Finding the Fourth Proportional to 1,670.45, 2,305.65 and 962.37

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Solution

The fourth proportional to 1,670.45, 2,305.65 and 962.37 is: 1,328.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.45 : 2,305.65 = 962.37 : x
  2. Step 2: Convert to fraction form
    1,670.45/2,305.65 = 962.37/x
  3. Step 3: Cross multiply
    1,670.45x = 2,305.65 × 962.37
  4. Step 4: Simplify right side
    1,670.45x = 2,218,888.39
  5. Step 5: Solve for x
    x = 2,218,888.39/1,670.45
  6. Step 6: Final answer
    x = 1,328.32

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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.