Home / 2,256.51-3,376.46-1,985.87

Finding the Fourth Proportional to 2,256.51, 3,376.46 and 1,985.87

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Solution

The fourth proportional to 2,256.51, 3,376.46 and 1,985.87 is: 2,971.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.51 : 3,376.46 = 1,985.87 : x
  2. Step 2: Convert to fraction form
    2,256.51/3,376.46 = 1,985.87/x
  3. Step 3: Cross multiply
    2,256.51x = 3,376.46 × 1,985.87
  4. Step 4: Simplify right side
    2,256.51x = 6,705,210.62
  5. Step 5: Solve for x
    x = 6,705,210.62/2,256.51
  6. Step 6: Final answer
    x = 2,971.50

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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.