Home / 3,905.89-5,858.76-1,132.45

Finding the Fourth Proportional to 3,905.89, 5,858.76 and 1,132.45

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Solution

The fourth proportional to 3,905.89, 5,858.76 and 1,132.45 is: 1,698.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.89 : 5,858.76 = 1,132.45 : x
  2. Step 2: Convert to fraction form
    3,905.89/5,858.76 = 1,132.45/x
  3. Step 3: Cross multiply
    3,905.89x = 5,858.76 × 1,132.45
  4. Step 4: Simplify right side
    3,905.89x = 6,634,752.76
  5. Step 5: Solve for x
    x = 6,634,752.76/3,905.89
  6. Step 6: Final answer
    x = 1,698.65

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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.