Home / 1,746.85-2,620.27-514.26

Finding the Fourth Proportional to 1,746.85, 2,620.27 and 514.26

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Solution

The fourth proportional to 1,746.85, 2,620.27 and 514.26 is: 771.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.85 : 2,620.27 = 514.26 : x
  2. Step 2: Convert to fraction form
    1,746.85/2,620.27 = 514.26/x
  3. Step 3: Cross multiply
    1,746.85x = 2,620.27 × 514.26
  4. Step 4: Simplify right side
    1,746.85x = 1,347,493.32
  5. Step 5: Solve for x
    x = 1,347,493.32/1,746.85
  6. Step 6: Final answer
    x = 771.38

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1.5x scale

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.