Home / 2,365.14-3,263.58-1,420.74

Finding the Fourth Proportional to 2,365.14, 3,263.58 and 1,420.74

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Solution

The fourth proportional to 2,365.14, 3,263.58 and 1,420.74 is: 1,960.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.14 : 3,263.58 = 1,420.74 : x
  2. Step 2: Convert to fraction form
    2,365.14/3,263.58 = 1,420.74/x
  3. Step 3: Cross multiply
    2,365.14x = 3,263.58 × 1,420.74
  4. Step 4: Simplify right side
    2,365.14x = 4,636,698.65
  5. Step 5: Solve for x
    x = 4,636,698.65/2,365.14
  6. Step 6: Final answer
    x = 1,960.43

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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.