Home / 2,323.15-3,206.57-1,438.45

Finding the Fourth Proportional to 2,323.15, 3,206.57 and 1,438.45

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Solution

The fourth proportional to 2,323.15, 3,206.57 and 1,438.45 is: 1,985.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.15 : 3,206.57 = 1,438.45 : x
  2. Step 2: Convert to fraction form
    2,323.15/3,206.57 = 1,438.45/x
  3. Step 3: Cross multiply
    2,323.15x = 3,206.57 × 1,438.45
  4. Step 4: Simplify right side
    2,323.15x = 4,612,491.44
  5. Step 5: Solve for x
    x = 4,612,491.44/2,323.15
  6. Step 6: Final answer
    x = 1,985.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.