Home / 1,840.15-2,536.26-1,329.55

Finding the Fourth Proportional to 1,840.15, 2,536.26 and 1,329.55

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Solution

The fourth proportional to 1,840.15, 2,536.26 and 1,329.55 is: 1,832.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.15 : 2,536.26 = 1,329.55 : x
  2. Step 2: Convert to fraction form
    1,840.15/2,536.26 = 1,329.55/x
  3. Step 3: Cross multiply
    1,840.15x = 2,536.26 × 1,329.55
  4. Step 4: Simplify right side
    1,840.15x = 3,372,080.64
  5. Step 5: Solve for x
    x = 3,372,080.64/1,840.15
  6. Step 6: Final answer
    x = 1,832.50

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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.