Home / 1,824.32-2,518.76-1,403.90

Finding the Fourth Proportional to 1,824.32, 2,518.76 and 1,403.90

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Solution

The fourth proportional to 1,824.32, 2,518.76 and 1,403.90 is: 1,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.32 : 2,518.76 = 1,403.90 : x
  2. Step 2: Convert to fraction form
    1,824.32/2,518.76 = 1,403.90/x
  3. Step 3: Cross multiply
    1,824.32x = 2,518.76 × 1,403.90
  4. Step 4: Simplify right side
    1,824.32x = 3,536,087.16
  5. Step 5: Solve for x
    x = 3,536,087.16/1,824.32
  6. Step 6: Final answer
    x = 1,938.30

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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.