Home / 1,420.04-1,962.42-1,153.96

Finding the Fourth Proportional to 1,420.04, 1,962.42 and 1,153.96

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Solution

The fourth proportional to 1,420.04, 1,962.42 and 1,153.96 is: 1,594.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420.04 : 1,962.42 = 1,153.96 : x
  2. Step 2: Convert to fraction form
    1,420.04/1,962.42 = 1,153.96/x
  3. Step 3: Cross multiply
    1,420.04x = 1,962.42 × 1,153.96
  4. Step 4: Simplify right side
    1,420.04x = 2,264,554.18
  5. Step 5: Solve for x
    x = 2,264,554.18/1,420.04
  6. Step 6: Final answer
    x = 1,594.71

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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.