Home / 2,810.10-4,210.29-1,943.40

Finding the Fourth Proportional to 2,810.10, 4,210.29 and 1,943.40

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Solution

The fourth proportional to 2,810.10, 4,210.29 and 1,943.40 is: 2,911.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.10 : 4,210.29 = 1,943.40 : x
  2. Step 2: Convert to fraction form
    2,810.10/4,210.29 = 1,943.40/x
  3. Step 3: Cross multiply
    2,810.10x = 4,210.29 × 1,943.40
  4. Step 4: Simplify right side
    2,810.10x = 8,182,277.59
  5. Step 5: Solve for x
    x = 8,182,277.59/2,810.10
  6. Step 6: Final answer
    x = 2,911.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.