Home / 1,492.55-2,234.73-1,126.23

Finding the Fourth Proportional to 1,492.55, 2,234.73 and 1,126.23

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Solution

The fourth proportional to 1,492.55, 2,234.73 and 1,126.23 is: 1,686.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.55 : 2,234.73 = 1,126.23 : x
  2. Step 2: Convert to fraction form
    1,492.55/2,234.73 = 1,126.23/x
  3. Step 3: Cross multiply
    1,492.55x = 2,234.73 × 1,126.23
  4. Step 4: Simplify right side
    1,492.55x = 2,516,815.74
  5. Step 5: Solve for x
    x = 2,516,815.74/1,492.55
  6. Step 6: Final answer
    x = 1,686.25

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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.