Home / 2,479.48-3,421.69-1,360.46

Finding the Fourth Proportional to 2,479.48, 3,421.69 and 1,360.46

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Solution

The fourth proportional to 2,479.48, 3,421.69 and 1,360.46 is: 1,877.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.48 : 3,421.69 = 1,360.46 : x
  2. Step 2: Convert to fraction form
    2,479.48/3,421.69 = 1,360.46/x
  3. Step 3: Cross multiply
    2,479.48x = 3,421.69 × 1,360.46
  4. Step 4: Simplify right side
    2,479.48x = 4,655,077.53
  5. Step 5: Solve for x
    x = 4,655,077.53/2,479.48
  6. Step 6: Final answer
    x = 1,877.44

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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.