Home / 1,824.18-2,518.62-1,403.82

Finding the Fourth Proportional to 1,824.18, 2,518.62 and 1,403.82

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Solution

The fourth proportional to 1,824.18, 2,518.62 and 1,403.82 is: 1,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.18 : 2,518.62 = 1,403.82 : x
  2. Step 2: Convert to fraction form
    1,824.18/2,518.62 = 1,403.82/x
  3. Step 3: Cross multiply
    1,824.18x = 2,518.62 × 1,403.82
  4. Step 4: Simplify right side
    1,824.18x = 3,535,689.13
  5. Step 5: Solve for x
    x = 3,535,689.13/1,824.18
  6. Step 6: Final answer
    x = 1,938.23

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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.