Home / 2,506.34-3,458.40-1,720.64

Finding the Fourth Proportional to 2,506.34, 3,458.40 and 1,720.64

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Solution

The fourth proportional to 2,506.34, 3,458.40 and 1,720.64 is: 2,374.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506.34 : 3,458.40 = 1,720.64 : x
  2. Step 2: Convert to fraction form
    2,506.34/3,458.40 = 1,720.64/x
  3. Step 3: Cross multiply
    2,506.34x = 3,458.40 × 1,720.64
  4. Step 4: Simplify right side
    2,506.34x = 5,950,663.57
  5. Step 5: Solve for x
    x = 5,950,663.57/2,506.34
  6. Step 6: Final answer
    x = 2,374.24

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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.