Home / 1,810.18-2,715.74-836.98

Finding the Fourth Proportional to 1,810.18, 2,715.74 and 836.98

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Solution

The fourth proportional to 1,810.18, 2,715.74 and 836.98 is: 1,255.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.18 : 2,715.74 = 836.98 : x
  2. Step 2: Convert to fraction form
    1,810.18/2,715.74 = 836.98/x
  3. Step 3: Cross multiply
    1,810.18x = 2,715.74 × 836.98
  4. Step 4: Simplify right side
    1,810.18x = 2,273,020.07
  5. Step 5: Solve for x
    x = 2,273,020.07/1,810.18
  6. Step 6: Final answer
    x = 1,255.69

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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.