Home / 2,259.02-3,386.70-943.78

Finding the Fourth Proportional to 2,259.02, 3,386.70 and 943.78

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Solution

The fourth proportional to 2,259.02, 3,386.70 and 943.78 is: 1,414.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.02 : 3,386.70 = 943.78 : x
  2. Step 2: Convert to fraction form
    2,259.02/3,386.70 = 943.78/x
  3. Step 3: Cross multiply
    2,259.02x = 3,386.70 × 943.78
  4. Step 4: Simplify right side
    2,259.02x = 3,196,297.85
  5. Step 5: Solve for x
    x = 3,196,297.85/2,259.02
  6. Step 6: Final answer
    x = 1,414.91

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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.