Home / 2,424.35-3,345.20-1,429.49

Finding the Fourth Proportional to 2,424.35, 3,345.20 and 1,429.49

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Solution

The fourth proportional to 2,424.35, 3,345.20 and 1,429.49 is: 1,972.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.35 : 3,345.20 = 1,429.49 : x
  2. Step 2: Convert to fraction form
    2,424.35/3,345.20 = 1,429.49/x
  3. Step 3: Cross multiply
    2,424.35x = 3,345.20 × 1,429.49
  4. Step 4: Simplify right side
    2,424.35x = 4,781,929.95
  5. Step 5: Solve for x
    x = 4,781,929.95/2,424.35
  6. Step 6: Final answer
    x = 1,972.46

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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.