Home / 3,312.09-4,570.77-1,876.34

Finding the Fourth Proportional to 3,312.09, 4,570.77 and 1,876.34

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Solution

The fourth proportional to 3,312.09, 4,570.77 and 1,876.34 is: 2,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.09 : 4,570.77 = 1,876.34 : x
  2. Step 2: Convert to fraction form
    3,312.09/4,570.77 = 1,876.34/x
  3. Step 3: Cross multiply
    3,312.09x = 4,570.77 × 1,876.34
  4. Step 4: Simplify right side
    3,312.09x = 8,576,318.58
  5. Step 5: Solve for x
    x = 8,576,318.58/3,312.09
  6. Step 6: Final answer
    x = 2,589.40

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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.