Home / 3,320.04-4,980.07-1,240.02

Finding the Fourth Proportional to 3,320.04, 4,980.07 and 1,240.02

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Solution

The fourth proportional to 3,320.04, 4,980.07 and 1,240.02 is: 1,860.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.04 : 4,980.07 = 1,240.02 : x
  2. Step 2: Convert to fraction form
    3,320.04/4,980.07 = 1,240.02/x
  3. Step 3: Cross multiply
    3,320.04x = 4,980.07 × 1,240.02
  4. Step 4: Simplify right side
    3,320.04x = 6,175,373.96
  5. Step 5: Solve for x
    x = 6,175,373.96/3,320.04
  6. Step 6: Final answer
    x = 1,860.03

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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.