Home / 1,674.14-2,312.45-1,529.25

Finding the Fourth Proportional to 1,674.14, 2,312.45 and 1,529.25

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Solution

The fourth proportional to 1,674.14, 2,312.45 and 1,529.25 is: 2,112.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.14 : 2,312.45 = 1,529.25 : x
  2. Step 2: Convert to fraction form
    1,674.14/2,312.45 = 1,529.25/x
  3. Step 3: Cross multiply
    1,674.14x = 2,312.45 × 1,529.25
  4. Step 4: Simplify right side
    1,674.14x = 3,536,306.52
  5. Step 5: Solve for x
    x = 3,536,306.52/1,674.14
  6. Step 6: Final answer
    x = 2,112.32

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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.