Home / 1,973.66-2,723.54-1,089.46

Finding the Fourth Proportional to 1,973.66, 2,723.54 and 1,089.46

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Solution

The fourth proportional to 1,973.66, 2,723.54 and 1,089.46 is: 1,503.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.66 : 2,723.54 = 1,089.46 : x
  2. Step 2: Convert to fraction form
    1,973.66/2,723.54 = 1,089.46/x
  3. Step 3: Cross multiply
    1,973.66x = 2,723.54 × 1,089.46
  4. Step 4: Simplify right side
    1,973.66x = 2,967,187.89
  5. Step 5: Solve for x
    x = 2,967,187.89/1,973.66
  6. Step 6: Final answer
    x = 1,503.39

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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.