Home / 3,051.81-4,211.42-1,654.56

Finding the Fourth Proportional to 3,051.81, 4,211.42 and 1,654.56

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Solution

The fourth proportional to 3,051.81, 4,211.42 and 1,654.56 is: 2,283.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.81 : 4,211.42 = 1,654.56 : x
  2. Step 2: Convert to fraction form
    3,051.81/4,211.42 = 1,654.56/x
  3. Step 3: Cross multiply
    3,051.81x = 4,211.42 × 1,654.56
  4. Step 4: Simplify right side
    3,051.81x = 6,968,038.80
  5. Step 5: Solve for x
    x = 6,968,038.80/3,051.81
  6. Step 6: Final answer
    x = 2,283.25

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1.5x scale

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.