Home / 2,402.33-3,315.21-1,354.39

Finding the Fourth Proportional to 2,402.33, 3,315.21 and 1,354.39

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Solution

The fourth proportional to 2,402.33, 3,315.21 and 1,354.39 is: 1,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.33 : 3,315.21 = 1,354.39 : x
  2. Step 2: Convert to fraction form
    2,402.33/3,315.21 = 1,354.39/x
  3. Step 3: Cross multiply
    2,402.33x = 3,315.21 × 1,354.39
  4. Step 4: Simplify right side
    2,402.33x = 4,490,070.70
  5. Step 5: Solve for x
    x = 4,490,070.70/2,402.33
  6. Step 6: Final answer
    x = 1,869.05

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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.