Home / 1,931.58-2,890.08-1,110.24

Finding the Fourth Proportional to 1,931.58, 2,890.08 and 1,110.24

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Solution

The fourth proportional to 1,931.58, 2,890.08 and 1,110.24 is: 1,661.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.58 : 2,890.08 = 1,110.24 : x
  2. Step 2: Convert to fraction form
    1,931.58/2,890.08 = 1,110.24/x
  3. Step 3: Cross multiply
    1,931.58x = 2,890.08 × 1,110.24
  4. Step 4: Simplify right side
    1,931.58x = 3,208,682.42
  5. Step 5: Solve for x
    x = 3,208,682.42/1,931.58
  6. Step 6: Final answer
    x = 1,661.17

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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.