Home / 1,550.40-2,319.84-1,184.64

Finding the Fourth Proportional to 1,550.40, 2,319.84 and 1,184.64

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Solution

The fourth proportional to 1,550.40, 2,319.84 and 1,184.64 is: 1,772.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.40 : 2,319.84 = 1,184.64 : x
  2. Step 2: Convert to fraction form
    1,550.40/2,319.84 = 1,184.64/x
  3. Step 3: Cross multiply
    1,550.40x = 2,319.84 × 1,184.64
  4. Step 4: Simplify right side
    1,550.40x = 2,748,175.26
  5. Step 5: Solve for x
    x = 2,748,175.26/1,550.40
  6. Step 6: Final answer
    x = 1,772.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.