Home / 1,973.02-2,722.79-1,088.81

Finding the Fourth Proportional to 1,973.02, 2,722.79 and 1,088.81

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Solution

The fourth proportional to 1,973.02, 2,722.79 and 1,088.81 is: 1,502.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.02 : 2,722.79 = 1,088.81 : x
  2. Step 2: Convert to fraction form
    1,973.02/2,722.79 = 1,088.81/x
  3. Step 3: Cross multiply
    1,973.02x = 2,722.79 × 1,088.81
  4. Step 4: Simplify right side
    1,973.02x = 2,964,595.54
  5. Step 5: Solve for x
    x = 2,964,595.54/1,973.02
  6. Step 6: Final answer
    x = 1,502.57

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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.