Home / 2,549.40-3,515.76-1,709.16

Finding the Fourth Proportional to 2,549.40, 3,515.76 and 1,709.16

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Solution

The fourth proportional to 2,549.40, 3,515.76 and 1,709.16 is: 2,357.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.40 : 3,515.76 = 1,709.16 : x
  2. Step 2: Convert to fraction form
    2,549.40/3,515.76 = 1,709.16/x
  3. Step 3: Cross multiply
    2,549.40x = 3,515.76 × 1,709.16
  4. Step 4: Simplify right side
    2,549.40x = 6,008,996.36
  5. Step 5: Solve for x
    x = 6,008,996.36/2,549.40
  6. Step 6: Final answer
    x = 2,357.02

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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.