Home / 3,290.16-4,938.48-1,560

Finding the Fourth Proportional to 3,290.16, 4,938.48 and 1,560

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Solution

The fourth proportional to 3,290.16, 4,938.48 and 1,560 is: 2,341.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.16 : 4,938.48 = 1,560 : x
  2. Step 2: Convert to fraction form
    3,290.16/4,938.48 = 1,560/x
  3. Step 3: Cross multiply
    3,290.16x = 4,938.48 × 1,560
  4. Step 4: Simplify right side
    3,290.16x = 7,704,028.80
  5. Step 5: Solve for x
    x = 7,704,028.80/3,290.16
  6. Step 6: Final answer
    x = 2,341.54

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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.