Home / 3,559.49-5,339.32-1,478.91

Finding the Fourth Proportional to 3,559.49, 5,339.32 and 1,478.91

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Solution

The fourth proportional to 3,559.49, 5,339.32 and 1,478.91 is: 2,218.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.49 : 5,339.32 = 1,478.91 : x
  2. Step 2: Convert to fraction form
    3,559.49/5,339.32 = 1,478.91/x
  3. Step 3: Cross multiply
    3,559.49x = 5,339.32 × 1,478.91
  4. Step 4: Simplify right side
    3,559.49x = 7,896,360.03
  5. Step 5: Solve for x
    x = 7,896,360.03/3,559.49
  6. Step 6: Final answer
    x = 2,218.39

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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.