Home / 2,985.40-4,477.29-2,494.95

Finding the Fourth Proportional to 2,985.40, 4,477.29 and 2,494.95

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Solution

The fourth proportional to 2,985.40, 4,477.29 and 2,494.95 is: 3,741.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.40 : 4,477.29 = 2,494.95 : x
  2. Step 2: Convert to fraction form
    2,985.40/4,477.29 = 2,494.95/x
  3. Step 3: Cross multiply
    2,985.40x = 4,477.29 × 2,494.95
  4. Step 4: Simplify right side
    2,985.40x = 11,170,614.69
  5. Step 5: Solve for x
    x = 11,170,614.69/2,985.40
  6. Step 6: Final answer
    x = 3,741.75

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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.