Home / 3,405.04-5,106.03-1,555.72

Finding the Fourth Proportional to 3,405.04, 5,106.03 and 1,555.72

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Solution

The fourth proportional to 3,405.04, 5,106.03 and 1,555.72 is: 2,332.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.04 : 5,106.03 = 1,555.72 : x
  2. Step 2: Convert to fraction form
    3,405.04/5,106.03 = 1,555.72/x
  3. Step 3: Cross multiply
    3,405.04x = 5,106.03 × 1,555.72
  4. Step 4: Simplify right side
    3,405.04x = 7,943,552.99
  5. Step 5: Solve for x
    x = 7,943,552.99/3,405.04
  6. Step 6: Final answer
    x = 2,332.88

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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.