Home / 2,923.02-4,384.73-843.21

Finding the Fourth Proportional to 2,923.02, 4,384.73 and 843.21

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Solution

The fourth proportional to 2,923.02, 4,384.73 and 843.21 is: 1,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.02 : 4,384.73 = 843.21 : x
  2. Step 2: Convert to fraction form
    2,923.02/4,384.73 = 843.21/x
  3. Step 3: Cross multiply
    2,923.02x = 4,384.73 × 843.21
  4. Step 4: Simplify right side
    2,923.02x = 3,697,248.18
  5. Step 5: Solve for x
    x = 3,697,248.18/2,923.02
  6. Step 6: Final answer
    x = 1,264.87

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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.