Home / 2,390.46-3,585.26-1,465.70

Finding the Fourth Proportional to 2,390.46, 3,585.26 and 1,465.70

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Solution

The fourth proportional to 2,390.46, 3,585.26 and 1,465.70 is: 2,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.46 : 3,585.26 = 1,465.70 : x
  2. Step 2: Convert to fraction form
    2,390.46/3,585.26 = 1,465.70/x
  3. Step 3: Cross multiply
    2,390.46x = 3,585.26 × 1,465.70
  4. Step 4: Simplify right side
    2,390.46x = 5,254,915.58
  5. Step 5: Solve for x
    x = 5,254,915.58/2,390.46
  6. Step 6: Final answer
    x = 2,198.29

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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.