Home / 2,424.03-3,344.65-1,428.63

Finding the Fourth Proportional to 2,424.03, 3,344.65 and 1,428.63

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Solution

The fourth proportional to 2,424.03, 3,344.65 and 1,428.63 is: 1,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.03 : 3,344.65 = 1,428.63 : x
  2. Step 2: Convert to fraction form
    2,424.03/3,344.65 = 1,428.63/x
  3. Step 3: Cross multiply
    2,424.03x = 3,344.65 × 1,428.63
  4. Step 4: Simplify right side
    2,424.03x = 4,778,267.33
  5. Step 5: Solve for x
    x = 4,778,267.33/2,424.03
  6. Step 6: Final answer
    x = 1,971.21

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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.