Home / 1,919.45-2,879.49-602.94

Finding the Fourth Proportional to 1,919.45, 2,879.49 and 602.94

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Solution

The fourth proportional to 1,919.45, 2,879.49 and 602.94 is: 904.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919.45 : 2,879.49 = 602.94 : x
  2. Step 2: Convert to fraction form
    1,919.45/2,879.49 = 602.94/x
  3. Step 3: Cross multiply
    1,919.45x = 2,879.49 × 602.94
  4. Step 4: Simplify right side
    1,919.45x = 1,736,159.70
  5. Step 5: Solve for x
    x = 1,736,159.70/1,919.45
  6. Step 6: Final answer
    x = 904.51

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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.