Home / 3,154.02-4,731.64-1,206.06

Finding the Fourth Proportional to 3,154.02, 4,731.64 and 1,206.06

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Solution

The fourth proportional to 3,154.02, 4,731.64 and 1,206.06 is: 1,809.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.02 : 4,731.64 = 1,206.06 : x
  2. Step 2: Convert to fraction form
    3,154.02/4,731.64 = 1,206.06/x
  3. Step 3: Cross multiply
    3,154.02x = 4,731.64 × 1,206.06
  4. Step 4: Simplify right side
    3,154.02x = 5,706,641.74
  5. Step 5: Solve for x
    x = 5,706,641.74/3,154.02
  6. Step 6: Final answer
    x = 1,809.32

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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.