Home / 1,018.24-1,526.90-401.84

Finding the Fourth Proportional to 1,018.24, 1,526.90 and 401.84

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Solution

The fourth proportional to 1,018.24, 1,526.90 and 401.84 is: 602.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018.24 : 1,526.90 = 401.84 : x
  2. Step 2: Convert to fraction form
    1,018.24/1,526.90 = 401.84/x
  3. Step 3: Cross multiply
    1,018.24x = 1,526.90 × 401.84
  4. Step 4: Simplify right side
    1,018.24x = 613,565.58
  5. Step 5: Solve for x
    x = 613,565.58/1,018.24
  6. Step 6: Final answer
    x = 602.58

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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.