Home / 1,453.08-2,167.35-1,234.20

Finding the Fourth Proportional to 1,453.08, 2,167.35 and 1,234.20

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Solution

The fourth proportional to 1,453.08, 2,167.35 and 1,234.20 is: 1,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.08 : 2,167.35 = 1,234.20 : x
  2. Step 2: Convert to fraction form
    1,453.08/2,167.35 = 1,234.20/x
  3. Step 3: Cross multiply
    1,453.08x = 2,167.35 × 1,234.20
  4. Step 4: Simplify right side
    1,453.08x = 2,674,943.37
  5. Step 5: Solve for x
    x = 2,674,943.37/1,453.08
  6. Step 6: Final answer
    x = 1,840.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.