Home / 1,028.38-1,419.14-586.26

Finding the Fourth Proportional to 1,028.38, 1,419.14 and 586.26

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Solution

The fourth proportional to 1,028.38, 1,419.14 and 586.26 is: 809.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028.38 : 1,419.14 = 586.26 : x
  2. Step 2: Convert to fraction form
    1,028.38/1,419.14 = 586.26/x
  3. Step 3: Cross multiply
    1,028.38x = 1,419.14 × 586.26
  4. Step 4: Simplify right side
    1,028.38x = 831,985.02
  5. Step 5: Solve for x
    x = 831,985.02/1,028.38
  6. Step 6: Final answer
    x = 809.02

Related Problems

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Double scale
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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.