Home / 3,317.40-4,958.28-2,386.80

Finding the Fourth Proportional to 3,317.40, 4,958.28 and 2,386.80

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Solution

The fourth proportional to 3,317.40, 4,958.28 and 2,386.80 is: 3,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.40 : 4,958.28 = 2,386.80 : x
  2. Step 2: Convert to fraction form
    3,317.40/4,958.28 = 2,386.80/x
  3. Step 3: Cross multiply
    3,317.40x = 4,958.28 × 2,386.80
  4. Step 4: Simplify right side
    3,317.40x = 11,834,422.70
  5. Step 5: Solve for x
    x = 11,834,422.70/3,317.40
  6. Step 6: Final answer
    x = 3,567.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.