Home / 3,148.93-4,343.99-2,445.45

Finding the Fourth Proportional to 3,148.93, 4,343.99 and 2,445.45

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Solution

The fourth proportional to 3,148.93, 4,343.99 and 2,445.45 is: 3,373.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.93 : 4,343.99 = 2,445.45 : x
  2. Step 2: Convert to fraction form
    3,148.93/4,343.99 = 2,445.45/x
  3. Step 3: Cross multiply
    3,148.93x = 4,343.99 × 2,445.45
  4. Step 4: Simplify right side
    3,148.93x = 10,623,010.35
  5. Step 5: Solve for x
    x = 10,623,010.35/3,148.93
  6. Step 6: Final answer
    x = 3,373.53

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1.5x scale

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.