Home / 1,419.88-2,130.35-598.07

Finding the Fourth Proportional to 1,419.88, 2,130.35 and 598.07

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Solution

The fourth proportional to 1,419.88, 2,130.35 and 598.07 is: 897.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419.88 : 2,130.35 = 598.07 : x
  2. Step 2: Convert to fraction form
    1,419.88/2,130.35 = 598.07/x
  3. Step 3: Cross multiply
    1,419.88x = 2,130.35 × 598.07
  4. Step 4: Simplify right side
    1,419.88x = 1,274,098.42
  5. Step 5: Solve for x
    x = 1,274,098.42/1,419.88
  6. Step 6: Final answer
    x = 897.33

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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.