Home / 1,430.41-2,145.22-608.26

Finding the Fourth Proportional to 1,430.41, 2,145.22 and 608.26

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Solution

The fourth proportional to 1,430.41, 2,145.22 and 608.26 is: 912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430.41 : 2,145.22 = 608.26 : x
  2. Step 2: Convert to fraction form
    1,430.41/2,145.22 = 608.26/x
  3. Step 3: Cross multiply
    1,430.41x = 2,145.22 × 608.26
  4. Step 4: Simplify right side
    1,430.41x = 1,304,851.52
  5. Step 5: Solve for x
    x = 1,304,851.52/1,430.41
  6. Step 6: Final answer
    x = 912.22

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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.