Home / 2,434.80-3,360.06-1,386.84

Finding the Fourth Proportional to 2,434.80, 3,360.06 and 1,386.84

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Solution

The fourth proportional to 2,434.80, 3,360.06 and 1,386.84 is: 1,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.80 : 3,360.06 = 1,386.84 : x
  2. Step 2: Convert to fraction form
    2,434.80/3,360.06 = 1,386.84/x
  3. Step 3: Cross multiply
    2,434.80x = 3,360.06 × 1,386.84
  4. Step 4: Simplify right side
    2,434.80x = 4,659,865.61
  5. Step 5: Solve for x
    x = 4,659,865.61/2,434.80
  6. Step 6: Final answer
    x = 1,913.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.