Home / 1,492.93-2,235.27-1,126.61

Finding the Fourth Proportional to 1,492.93, 2,235.27 and 1,126.61

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Solution

The fourth proportional to 1,492.93, 2,235.27 and 1,126.61 is: 1,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.93 : 2,235.27 = 1,126.61 : x
  2. Step 2: Convert to fraction form
    1,492.93/2,235.27 = 1,126.61/x
  3. Step 3: Cross multiply
    1,492.93x = 2,235.27 × 1,126.61
  4. Step 4: Simplify right side
    1,492.93x = 2,518,277.53
  5. Step 5: Solve for x
    x = 2,518,277.53/1,492.93
  6. Step 6: Final answer
    x = 1,686.80

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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.