Home / 3,307.70-4,564.14-2,130.36

Finding the Fourth Proportional to 3,307.70, 4,564.14 and 2,130.36

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Solution

The fourth proportional to 3,307.70, 4,564.14 and 2,130.36 is: 2,939.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.70 : 4,564.14 = 2,130.36 : x
  2. Step 2: Convert to fraction form
    3,307.70/4,564.14 = 2,130.36/x
  3. Step 3: Cross multiply
    3,307.70x = 4,564.14 × 2,130.36
  4. Step 4: Simplify right side
    3,307.70x = 9,723,261.29
  5. Step 5: Solve for x
    x = 9,723,261.29/3,307.70
  6. Step 6: Final answer
    x = 2,939.58

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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.