Home / 2,318.02-3,478.28-1,395.44

Finding the Fourth Proportional to 2,318.02, 3,478.28 and 1,395.44

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Solution

The fourth proportional to 2,318.02, 3,478.28 and 1,395.44 is: 2,093.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.02 : 3,478.28 = 1,395.44 : x
  2. Step 2: Convert to fraction form
    2,318.02/3,478.28 = 1,395.44/x
  3. Step 3: Cross multiply
    2,318.02x = 3,478.28 × 1,395.44
  4. Step 4: Simplify right side
    2,318.02x = 4,853,731.04
  5. Step 5: Solve for x
    x = 4,853,731.04/2,318.02
  6. Step 6: Final answer
    x = 2,093.91

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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.