Home / 3,434.10-4,731.93-2,645.70

Finding the Fourth Proportional to 3,434.10, 4,731.93 and 2,645.70

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Solution

The fourth proportional to 3,434.10, 4,731.93 and 2,645.70 is: 3,645.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.10 : 4,731.93 = 2,645.70 : x
  2. Step 2: Convert to fraction form
    3,434.10/4,731.93 = 2,645.70/x
  3. Step 3: Cross multiply
    3,434.10x = 4,731.93 × 2,645.70
  4. Step 4: Simplify right side
    3,434.10x = 12,519,267.20
  5. Step 5: Solve for x
    x = 12,519,267.20/3,434.10
  6. Step 6: Final answer
    x = 3,645.57

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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.