Home / 1,785.40-2,461.23-1,252.67

Finding the Fourth Proportional to 1,785.40, 2,461.23 and 1,252.67

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Solution

The fourth proportional to 1,785.40, 2,461.23 and 1,252.67 is: 1,726.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.40 : 2,461.23 = 1,252.67 : x
  2. Step 2: Convert to fraction form
    1,785.40/2,461.23 = 1,252.67/x
  3. Step 3: Cross multiply
    1,785.40x = 2,461.23 × 1,252.67
  4. Step 4: Simplify right side
    1,785.40x = 3,083,090.41
  5. Step 5: Solve for x
    x = 3,083,090.41/1,785.40
  6. Step 6: Final answer
    x = 1,726.84

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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.