Home / 2,324.40-3,465.30-2,119.20

Finding the Fourth Proportional to 2,324.40, 3,465.30 and 2,119.20

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Solution

The fourth proportional to 2,324.40, 3,465.30 and 2,119.20 is: 3,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,324.40 : 3,465.30 = 2,119.20 : x
  2. Step 2: Convert to fraction form
    2,324.40/3,465.30 = 2,119.20/x
  3. Step 3: Cross multiply
    2,324.40x = 3,465.30 × 2,119.20
  4. Step 4: Simplify right side
    2,324.40x = 7,343,663.76
  5. Step 5: Solve for x
    x = 7,343,663.76/2,324.40
  6. Step 6: Final answer
    x = 3,159.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.