Home / 2,365.46-3,263.79-1,420.93

Finding the Fourth Proportional to 2,365.46, 3,263.79 and 1,420.93

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Solution

The fourth proportional to 2,365.46, 3,263.79 and 1,420.93 is: 1,960.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.46 : 3,263.79 = 1,420.93 : x
  2. Step 2: Convert to fraction form
    2,365.46/3,263.79 = 1,420.93/x
  3. Step 3: Cross multiply
    2,365.46x = 3,263.79 × 1,420.93
  4. Step 4: Simplify right side
    2,365.46x = 4,637,617.12
  5. Step 5: Solve for x
    x = 4,637,617.12/2,365.46
  6. Step 6: Final answer
    x = 1,960.56

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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.