Home / 1,427.48-2,141.53-606.14

Finding the Fourth Proportional to 1,427.48, 2,141.53 and 606.14

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Solution

The fourth proportional to 1,427.48, 2,141.53 and 606.14 is: 909.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427.48 : 2,141.53 = 606.14 : x
  2. Step 2: Convert to fraction form
    1,427.48/2,141.53 = 606.14/x
  3. Step 3: Cross multiply
    1,427.48x = 2,141.53 × 606.14
  4. Step 4: Simplify right side
    1,427.48x = 1,298,066.99
  5. Step 5: Solve for x
    x = 1,298,066.99/1,427.48
  6. Step 6: Final answer
    x = 909.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.