Home / 1,785.81-2,680.29-1,495.11

Finding the Fourth Proportional to 1,785.81, 2,680.29 and 1,495.11

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Solution

The fourth proportional to 1,785.81, 2,680.29 and 1,495.11 is: 2,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.81 : 2,680.29 = 1,495.11 : x
  2. Step 2: Convert to fraction form
    1,785.81/2,680.29 = 1,495.11/x
  3. Step 3: Cross multiply
    1,785.81x = 2,680.29 × 1,495.11
  4. Step 4: Simplify right side
    1,785.81x = 4,007,328.38
  5. Step 5: Solve for x
    x = 4,007,328.38/1,785.81
  6. Step 6: Final answer
    x = 2,243.98

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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.