Home / 1,594.12-2,200.94-1,220.42

Finding the Fourth Proportional to 1,594.12, 2,200.94 and 1,220.42

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Solution

The fourth proportional to 1,594.12, 2,200.94 and 1,220.42 is: 1,684.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.12 : 2,200.94 = 1,220.42 : x
  2. Step 2: Convert to fraction form
    1,594.12/2,200.94 = 1,220.42/x
  3. Step 3: Cross multiply
    1,594.12x = 2,200.94 × 1,220.42
  4. Step 4: Simplify right side
    1,594.12x = 2,686,071.19
  5. Step 5: Solve for x
    x = 2,686,071.19/1,594.12
  6. Step 6: Final answer
    x = 1,684.99

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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.