Home / 2,485.32-3,430.38-1,437.99

Finding the Fourth Proportional to 2,485.32, 3,430.38 and 1,437.99

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Solution

The fourth proportional to 2,485.32, 3,430.38 and 1,437.99 is: 1,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.32 : 3,430.38 = 1,437.99 : x
  2. Step 2: Convert to fraction form
    2,485.32/3,430.38 = 1,437.99/x
  3. Step 3: Cross multiply
    2,485.32x = 3,430.38 × 1,437.99
  4. Step 4: Simplify right side
    2,485.32x = 4,932,852.14
  5. Step 5: Solve for x
    x = 4,932,852.14/2,485.32
  6. Step 6: Final answer
    x = 1,984.80

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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.