Home / 2,800.29-3,864.51-1,541.40

Finding the Fourth Proportional to 2,800.29, 3,864.51 and 1,541.40

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Solution

The fourth proportional to 2,800.29, 3,864.51 and 1,541.40 is: 2,127.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800.29 : 3,864.51 = 1,541.40 : x
  2. Step 2: Convert to fraction form
    2,800.29/3,864.51 = 1,541.40/x
  3. Step 3: Cross multiply
    2,800.29x = 3,864.51 × 1,541.40
  4. Step 4: Simplify right side
    2,800.29x = 5,956,755.71
  5. Step 5: Solve for x
    x = 5,956,755.71/2,800.29
  6. Step 6: Final answer
    x = 2,127.19

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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.