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Finding the Fourth Proportional to 3,888.93, 5,833.15 and 1,580.37

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Solution

The fourth proportional to 3,888.93, 5,833.15 and 1,580.37 is: 2,370.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.93 : 5,833.15 = 1,580.37 : x
  2. Step 2: Convert to fraction form
    3,888.93/5,833.15 = 1,580.37/x
  3. Step 3: Cross multiply
    3,888.93x = 5,833.15 × 1,580.37
  4. Step 4: Simplify right side
    3,888.93x = 9,218,535.27
  5. Step 5: Solve for x
    x = 9,218,535.27/3,888.93
  6. Step 6: Final answer
    x = 2,370.46

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1.5x scale

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.