Home / 1,973.65-2,723.60-1,089.46

Finding the Fourth Proportional to 1,973.65, 2,723.60 and 1,089.46

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Solution

The fourth proportional to 1,973.65, 2,723.60 and 1,089.46 is: 1,503.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.65 : 2,723.60 = 1,089.46 : x
  2. Step 2: Convert to fraction form
    1,973.65/2,723.60 = 1,089.46/x
  3. Step 3: Cross multiply
    1,973.65x = 2,723.60 × 1,089.46
  4. Step 4: Simplify right side
    1,973.65x = 2,967,253.26
  5. Step 5: Solve for x
    x = 2,967,253.26/1,973.65
  6. Step 6: Final answer
    x = 1,503.43

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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.