Home / 2,486.02-3,430.77-1,366.99

Finding the Fourth Proportional to 2,486.02, 3,430.77 and 1,366.99

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Solution

The fourth proportional to 2,486.02, 3,430.77 and 1,366.99 is: 1,886.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.02 : 3,430.77 = 1,366.99 : x
  2. Step 2: Convert to fraction form
    2,486.02/3,430.77 = 1,366.99/x
  3. Step 3: Cross multiply
    2,486.02x = 3,430.77 × 1,366.99
  4. Step 4: Simplify right side
    2,486.02x = 4,689,811.13
  5. Step 5: Solve for x
    x = 4,689,811.13/2,486.02
  6. Step 6: Final answer
    x = 1,886.47

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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.