Home / 2,423.79-3,341.61-2,091.51

Finding the Fourth Proportional to 2,423.79, 3,341.61 and 2,091.51

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Solution

The fourth proportional to 2,423.79, 3,341.61 and 2,091.51 is: 2,883.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.79 : 3,341.61 = 2,091.51 : x
  2. Step 2: Convert to fraction form
    2,423.79/3,341.61 = 2,091.51/x
  3. Step 3: Cross multiply
    2,423.79x = 3,341.61 × 2,091.51
  4. Step 4: Simplify right side
    2,423.79x = 6,989,010.73
  5. Step 5: Solve for x
    x = 6,989,010.73/2,423.79
  6. Step 6: Final answer
    x = 2,883.51

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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.