Home / 3,888.36-5,833.50-1,291.32

Finding the Fourth Proportional to 3,888.36, 5,833.50 and 1,291.32

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Solution

The fourth proportional to 3,888.36, 5,833.50 and 1,291.32 is: 1,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.36 : 5,833.50 = 1,291.32 : x
  2. Step 2: Convert to fraction form
    3,888.36/5,833.50 = 1,291.32/x
  3. Step 3: Cross multiply
    3,888.36x = 5,833.50 × 1,291.32
  4. Step 4: Simplify right side
    3,888.36x = 7,532,915.22
  5. Step 5: Solve for x
    x = 7,532,915.22/3,888.36
  6. Step 6: Final answer
    x = 1,937.30

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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.