Home / 2,557.48-3,527.34-1,930.12

Finding the Fourth Proportional to 2,557.48, 3,527.34 and 1,930.12

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Solution

The fourth proportional to 2,557.48, 3,527.34 and 1,930.12 is: 2,662.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.48 : 3,527.34 = 1,930.12 : x
  2. Step 2: Convert to fraction form
    2,557.48/3,527.34 = 1,930.12/x
  3. Step 3: Cross multiply
    2,557.48x = 3,527.34 × 1,930.12
  4. Step 4: Simplify right side
    2,557.48x = 6,808,189.48
  5. Step 5: Solve for x
    x = 6,808,189.48/2,557.48
  6. Step 6: Final answer
    x = 2,662.07

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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.