Home / 3,001.89-4,502.52-1,420.23

Finding the Fourth Proportional to 3,001.89, 4,502.52 and 1,420.23

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Solution

The fourth proportional to 3,001.89, 4,502.52 and 1,420.23 is: 2,130.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.89 : 4,502.52 = 1,420.23 : x
  2. Step 2: Convert to fraction form
    3,001.89/4,502.52 = 1,420.23/x
  3. Step 3: Cross multiply
    3,001.89x = 4,502.52 × 1,420.23
  4. Step 4: Simplify right side
    3,001.89x = 6,394,613.98
  5. Step 5: Solve for x
    x = 6,394,613.98/3,001.89
  6. Step 6: Final answer
    x = 2,130.20

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1.5x scale

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.