Home / 3,455.51-5,184.30-1,607.72

Finding the Fourth Proportional to 3,455.51, 5,184.30 and 1,607.72

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Solution

The fourth proportional to 3,455.51, 5,184.30 and 1,607.72 is: 2,412.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.51 : 5,184.30 = 1,607.72 : x
  2. Step 2: Convert to fraction form
    3,455.51/5,184.30 = 1,607.72/x
  3. Step 3: Cross multiply
    3,455.51x = 5,184.30 × 1,607.72
  4. Step 4: Simplify right side
    3,455.51x = 8,334,926.65
  5. Step 5: Solve for x
    x = 8,334,926.65/3,455.51
  6. Step 6: Final answer
    x = 2,412.07

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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.