Home / 1,028.25-1,418.96-586.13

Finding the Fourth Proportional to 1,028.25, 1,418.96 and 586.13

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Solution

The fourth proportional to 1,028.25, 1,418.96 and 586.13 is: 808.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028.25 : 1,418.96 = 586.13 : x
  2. Step 2: Convert to fraction form
    1,028.25/1,418.96 = 586.13/x
  3. Step 3: Cross multiply
    1,028.25x = 1,418.96 × 586.13
  4. Step 4: Simplify right side
    1,028.25x = 831,689.40
  5. Step 5: Solve for x
    x = 831,689.40/1,028.25
  6. Step 6: Final answer
    x = 808.84

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1.5x scale

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.