Home / 1,674.50-2,310.81-976.01

Finding the Fourth Proportional to 1,674.50, 2,310.81 and 976.01

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Solution

The fourth proportional to 1,674.50, 2,310.81 and 976.01 is: 1,346.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.50 : 2,310.81 = 976.01 : x
  2. Step 2: Convert to fraction form
    1,674.50/2,310.81 = 976.01/x
  3. Step 3: Cross multiply
    1,674.50x = 2,310.81 × 976.01
  4. Step 4: Simplify right side
    1,674.50x = 2,255,373.67
  5. Step 5: Solve for x
    x = 2,255,373.67/1,674.50
  6. Step 6: Final answer
    x = 1,346.89

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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.