Home / 3,064.79-4,228.67-1,720.10

Finding the Fourth Proportional to 3,064.79, 4,228.67 and 1,720.10

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Solution

The fourth proportional to 3,064.79, 4,228.67 and 1,720.10 is: 2,373.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064.79 : 4,228.67 = 1,720.10 : x
  2. Step 2: Convert to fraction form
    3,064.79/4,228.67 = 1,720.10/x
  3. Step 3: Cross multiply
    3,064.79x = 4,228.67 × 1,720.10
  4. Step 4: Simplify right side
    3,064.79x = 7,273,750.14
  5. Step 5: Solve for x
    x = 7,273,750.14/3,064.79
  6. Step 6: Final answer
    x = 2,373.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.