Home / 3,617.42-4,991.51-2,045.48

Finding the Fourth Proportional to 3,617.42, 4,991.51 and 2,045.48

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Solution

The fourth proportional to 3,617.42, 4,991.51 and 2,045.48 is: 2,822.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.42 : 4,991.51 = 2,045.48 : x
  2. Step 2: Convert to fraction form
    3,617.42/4,991.51 = 2,045.48/x
  3. Step 3: Cross multiply
    3,617.42x = 4,991.51 × 2,045.48
  4. Step 4: Simplify right side
    3,617.42x = 10,210,023.65
  5. Step 5: Solve for x
    x = 10,210,023.65/3,617.42
  6. Step 6: Final answer
    x = 2,822.46

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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.