Home / 1,686.61-2,325.96-1,156.26

Finding the Fourth Proportional to 1,686.61, 2,325.96 and 1,156.26

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Solution

The fourth proportional to 1,686.61, 2,325.96 and 1,156.26 is: 1,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686.61 : 2,325.96 = 1,156.26 : x
  2. Step 2: Convert to fraction form
    1,686.61/2,325.96 = 1,156.26/x
  3. Step 3: Cross multiply
    1,686.61x = 2,325.96 × 1,156.26
  4. Step 4: Simplify right side
    1,686.61x = 2,689,414.51
  5. Step 5: Solve for x
    x = 2,689,414.51/1,686.61
  6. Step 6: Final answer
    x = 1,594.57

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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.