Home / 1,673.81-2,307.64-1,373.95

Finding the Fourth Proportional to 1,673.81, 2,307.64 and 1,373.95

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Solution

The fourth proportional to 1,673.81, 2,307.64 and 1,373.95 is: 1,894.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.81 : 2,307.64 = 1,373.95 : x
  2. Step 2: Convert to fraction form
    1,673.81/2,307.64 = 1,373.95/x
  3. Step 3: Cross multiply
    1,673.81x = 2,307.64 × 1,373.95
  4. Step 4: Simplify right side
    1,673.81x = 3,170,581.98
  5. Step 5: Solve for x
    x = 3,170,581.98/1,673.81
  6. Step 6: Final answer
    x = 1,894.23

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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.