Home / 2,492.56-3,439.74-1,373.47

Finding the Fourth Proportional to 2,492.56, 3,439.74 and 1,373.47

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Solution

The fourth proportional to 2,492.56, 3,439.74 and 1,373.47 is: 1,895.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.56 : 3,439.74 = 1,373.47 : x
  2. Step 2: Convert to fraction form
    2,492.56/3,439.74 = 1,373.47/x
  3. Step 3: Cross multiply
    2,492.56x = 3,439.74 × 1,373.47
  4. Step 4: Simplify right side
    2,492.56x = 4,724,379.70
  5. Step 5: Solve for x
    x = 4,724,379.70/2,492.56
  6. Step 6: Final answer
    x = 1,895.39

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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.