Home / 1,973.12-2,722.86-1,088.91

Finding the Fourth Proportional to 1,973.12, 2,722.86 and 1,088.91

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Solution

The fourth proportional to 1,973.12, 2,722.86 and 1,088.91 is: 1,502.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.12 : 2,722.86 = 1,088.91 : x
  2. Step 2: Convert to fraction form
    1,973.12/2,722.86 = 1,088.91/x
  3. Step 3: Cross multiply
    1,973.12x = 2,722.86 × 1,088.91
  4. Step 4: Simplify right side
    1,973.12x = 2,964,944.04
  5. Step 5: Solve for x
    x = 2,964,944.04/1,973.12
  6. Step 6: Final answer
    x = 1,502.67

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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.