Home / 2,560.04-3,538.01-1,930.34

Finding the Fourth Proportional to 2,560.04, 3,538.01 and 1,930.34

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Solution

The fourth proportional to 2,560.04, 3,538.01 and 1,930.34 is: 2,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.04 : 3,538.01 = 1,930.34 : x
  2. Step 2: Convert to fraction form
    2,560.04/3,538.01 = 1,930.34/x
  3. Step 3: Cross multiply
    2,560.04x = 3,538.01 × 1,930.34
  4. Step 4: Simplify right side
    2,560.04x = 6,829,534.88
  5. Step 5: Solve for x
    x = 6,829,534.88/2,560.04
  6. Step 6: Final answer
    x = 2,667.75

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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.