Home / 1,685.23-2,525.54-1,069.37

Finding the Fourth Proportional to 1,685.23, 2,525.54 and 1,069.37

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Solution

The fourth proportional to 1,685.23, 2,525.54 and 1,069.37 is: 1,602.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685.23 : 2,525.54 = 1,069.37 : x
  2. Step 2: Convert to fraction form
    1,685.23/2,525.54 = 1,069.37/x
  3. Step 3: Cross multiply
    1,685.23x = 2,525.54 × 1,069.37
  4. Step 4: Simplify right side
    1,685.23x = 2,700,730.40
  5. Step 5: Solve for x
    x = 2,700,730.40/1,685.23
  6. Step 6: Final answer
    x = 1,602.59

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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.