Home / 1,919.28-2,878.08-602.67

Finding the Fourth Proportional to 1,919.28, 2,878.08 and 602.67

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Solution

The fourth proportional to 1,919.28, 2,878.08 and 602.67 is: 903.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919.28 : 2,878.08 = 602.67 : x
  2. Step 2: Convert to fraction form
    1,919.28/2,878.08 = 602.67/x
  3. Step 3: Cross multiply
    1,919.28x = 2,878.08 × 602.67
  4. Step 4: Simplify right side
    1,919.28x = 1,734,532.47
  5. Step 5: Solve for x
    x = 1,734,532.47/1,919.28
  6. Step 6: Final answer
    x = 903.74

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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.