Home / 3,270.04-4,907.02-1,421.08

Finding the Fourth Proportional to 3,270.04, 4,907.02 and 1,421.08

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Solution

The fourth proportional to 3,270.04, 4,907.02 and 1,421.08 is: 2,132.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.04 : 4,907.02 = 1,421.08 : x
  2. Step 2: Convert to fraction form
    3,270.04/4,907.02 = 1,421.08/x
  3. Step 3: Cross multiply
    3,270.04x = 4,907.02 × 1,421.08
  4. Step 4: Simplify right side
    3,270.04x = 6,973,267.98
  5. Step 5: Solve for x
    x = 6,973,267.98/3,270.04
  6. Step 6: Final answer
    x = 2,132.47

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1.5x scale

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.