Home / 3,506.48-5,259.61-1,287.08

Finding the Fourth Proportional to 3,506.48, 5,259.61 and 1,287.08

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Solution

The fourth proportional to 3,506.48, 5,259.61 and 1,287.08 is: 1,930.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.48 : 5,259.61 = 1,287.08 : x
  2. Step 2: Convert to fraction form
    3,506.48/5,259.61 = 1,287.08/x
  3. Step 3: Cross multiply
    3,506.48x = 5,259.61 × 1,287.08
  4. Step 4: Simplify right side
    3,506.48x = 6,769,538.84
  5. Step 5: Solve for x
    x = 6,769,538.84/3,506.48
  6. Step 6: Final answer
    x = 1,930.58

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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.