Home / 2,381.74-3,285.16-1,675.08

Finding the Fourth Proportional to 2,381.74, 3,285.16 and 1,675.08

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Solution

The fourth proportional to 2,381.74, 3,285.16 and 1,675.08 is: 2,310.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.74 : 3,285.16 = 1,675.08 : x
  2. Step 2: Convert to fraction form
    2,381.74/3,285.16 = 1,675.08/x
  3. Step 3: Cross multiply
    2,381.74x = 3,285.16 × 1,675.08
  4. Step 4: Simplify right side
    2,381.74x = 5,502,901.63
  5. Step 5: Solve for x
    x = 5,502,901.63/2,381.74
  6. Step 6: Final answer
    x = 2,310.46

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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.