Home / 3,555.60-5,354.12-2,637.68

Finding the Fourth Proportional to 3,555.60, 5,354.12 and 2,637.68

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Solution

The fourth proportional to 3,555.60, 5,354.12 and 2,637.68 is: 3,971.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.60 : 5,354.12 = 2,637.68 : x
  2. Step 2: Convert to fraction form
    3,555.60/5,354.12 = 2,637.68/x
  3. Step 3: Cross multiply
    3,555.60x = 5,354.12 × 2,637.68
  4. Step 4: Simplify right side
    3,555.60x = 14,122,455.24
  5. Step 5: Solve for x
    x = 14,122,455.24/3,555.60
  6. Step 6: Final answer
    x = 3,971.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.