Home / 2,492.60-3,439.70-1,373.50

Finding the Fourth Proportional to 2,492.60, 3,439.70 and 1,373.50

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Solution

The fourth proportional to 2,492.60, 3,439.70 and 1,373.50 is: 1,895.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.60 : 3,439.70 = 1,373.50 : x
  2. Step 2: Convert to fraction form
    2,492.60/3,439.70 = 1,373.50/x
  3. Step 3: Cross multiply
    2,492.60x = 3,439.70 × 1,373.50
  4. Step 4: Simplify right side
    2,492.60x = 4,724,427.95
  5. Step 5: Solve for x
    x = 4,724,427.95/2,492.60
  6. Step 6: Final answer
    x = 1,895.38

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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.