Home / 4,309.89-5,946.95-2,421.38

Finding the Fourth Proportional to 4,309.89, 5,946.95 and 2,421.38

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Solution

The fourth proportional to 4,309.89, 5,946.95 and 2,421.38 is: 3,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.89 : 5,946.95 = 2,421.38 : x
  2. Step 2: Convert to fraction form
    4,309.89/5,946.95 = 2,421.38/x
  3. Step 3: Cross multiply
    4,309.89x = 5,946.95 × 2,421.38
  4. Step 4: Simplify right side
    4,309.89x = 14,399,783.95
  5. Step 5: Solve for x
    x = 14,399,783.95/4,309.89
  6. Step 6: Final answer
    x = 3,341.10

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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.