Home / 3,935.99-5,430.98-2,423.05

Finding the Fourth Proportional to 3,935.99, 5,430.98 and 2,423.05

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Solution

The fourth proportional to 3,935.99, 5,430.98 and 2,423.05 is: 3,343.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.99 : 5,430.98 = 2,423.05 : x
  2. Step 2: Convert to fraction form
    3,935.99/5,430.98 = 2,423.05/x
  3. Step 3: Cross multiply
    3,935.99x = 5,430.98 × 2,423.05
  4. Step 4: Simplify right side
    3,935.99x = 13,159,528.57
  5. Step 5: Solve for x
    x = 13,159,528.57/3,935.99
  6. Step 6: Final answer
    x = 3,343.38

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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.