Home / 2,564.07-3,538.42-1,385.14

Finding the Fourth Proportional to 2,564.07, 3,538.42 and 1,385.14

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Solution

The fourth proportional to 2,564.07, 3,538.42 and 1,385.14 is: 1,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.07 : 3,538.42 = 1,385.14 : x
  2. Step 2: Convert to fraction form
    2,564.07/3,538.42 = 1,385.14/x
  3. Step 3: Cross multiply
    2,564.07x = 3,538.42 × 1,385.14
  4. Step 4: Simplify right side
    2,564.07x = 4,901,207.08
  5. Step 5: Solve for x
    x = 4,901,207.08/2,564.07
  6. Step 6: Final answer
    x = 1,911.50

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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.