Home / 1,246.24-1,869.27-368.70

Finding the Fourth Proportional to 1,246.24, 1,869.27 and 368.70

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Solution

The fourth proportional to 1,246.24, 1,869.27 and 368.70 is: 553.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.24 : 1,869.27 = 368.70 : x
  2. Step 2: Convert to fraction form
    1,246.24/1,869.27 = 368.70/x
  3. Step 3: Cross multiply
    1,246.24x = 1,869.27 × 368.70
  4. Step 4: Simplify right side
    1,246.24x = 689,199.85
  5. Step 5: Solve for x
    x = 689,199.85/1,246.24
  6. Step 6: Final answer
    x = 553.03

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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.