Home / 1,686.24-2,542.14-1,580.67

Finding the Fourth Proportional to 1,686.24, 2,542.14 and 1,580.67

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Solution

The fourth proportional to 1,686.24, 2,542.14 and 1,580.67 is: 2,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686.24 : 2,542.14 = 1,580.67 : x
  2. Step 2: Convert to fraction form
    1,686.24/2,542.14 = 1,580.67/x
  3. Step 3: Cross multiply
    1,686.24x = 2,542.14 × 1,580.67
  4. Step 4: Simplify right side
    1,686.24x = 4,018,284.43
  5. Step 5: Solve for x
    x = 4,018,284.43/1,686.24
  6. Step 6: Final answer
    x = 2,382.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.