Home / 2,631.56-3,952.58-1,646.12

Finding the Fourth Proportional to 2,631.56, 3,952.58 and 1,646.12

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Solution

The fourth proportional to 2,631.56, 3,952.58 and 1,646.12 is: 2,472.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.56 : 3,952.58 = 1,646.12 : x
  2. Step 2: Convert to fraction form
    2,631.56/3,952.58 = 1,646.12/x
  3. Step 3: Cross multiply
    2,631.56x = 3,952.58 × 1,646.12
  4. Step 4: Simplify right side
    2,631.56x = 6,506,434.99
  5. Step 5: Solve for x
    x = 6,506,434.99/2,631.56
  6. Step 6: Final answer
    x = 2,472.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.