Home / 3,307.33-4,564.04-2,128.40

Finding the Fourth Proportional to 3,307.33, 4,564.04 and 2,128.40

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Solution

The fourth proportional to 3,307.33, 4,564.04 and 2,128.40 is: 2,937.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.33 : 4,564.04 = 2,128.40 : x
  2. Step 2: Convert to fraction form
    3,307.33/4,564.04 = 2,128.40/x
  3. Step 3: Cross multiply
    3,307.33x = 4,564.04 × 2,128.40
  4. Step 4: Simplify right side
    3,307.33x = 9,714,102.74
  5. Step 5: Solve for x
    x = 9,714,102.74/3,307.33
  6. Step 6: Final answer
    x = 2,937.14

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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.