Home / 1,594.60-2,199.58-1,121.66

Finding the Fourth Proportional to 1,594.60, 2,199.58 and 1,121.66

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Solution

The fourth proportional to 1,594.60, 2,199.58 and 1,121.66 is: 1,547.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.60 : 2,199.58 = 1,121.66 : x
  2. Step 2: Convert to fraction form
    1,594.60/2,199.58 = 1,121.66/x
  3. Step 3: Cross multiply
    1,594.60x = 2,199.58 × 1,121.66
  4. Step 4: Simplify right side
    1,594.60x = 2,467,190.88
  5. Step 5: Solve for x
    x = 2,467,190.88/1,594.60
  6. Step 6: Final answer
    x = 1,547.21

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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.