Home / 1,840.26-2,539.68-1,054.32

Finding the Fourth Proportional to 1,840.26, 2,539.68 and 1,054.32

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Solution

The fourth proportional to 1,840.26, 2,539.68 and 1,054.32 is: 1,455.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.26 : 2,539.68 = 1,054.32 : x
  2. Step 2: Convert to fraction form
    1,840.26/2,539.68 = 1,054.32/x
  3. Step 3: Cross multiply
    1,840.26x = 2,539.68 × 1,054.32
  4. Step 4: Simplify right side
    1,840.26x = 2,677,635.42
  5. Step 5: Solve for x
    x = 2,677,635.42/1,840.26
  6. Step 6: Final answer
    x = 1,455.03

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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.