Home / 1,451.03-2,176.69-463.61

Finding the Fourth Proportional to 1,451.03, 2,176.69 and 463.61

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Solution

The fourth proportional to 1,451.03, 2,176.69 and 463.61 is: 695.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.03 : 2,176.69 = 463.61 : x
  2. Step 2: Convert to fraction form
    1,451.03/2,176.69 = 463.61/x
  3. Step 3: Cross multiply
    1,451.03x = 2,176.69 × 463.61
  4. Step 4: Simplify right side
    1,451.03x = 1,009,124.37
  5. Step 5: Solve for x
    x = 1,009,124.37/1,451.03
  6. Step 6: Final answer
    x = 695.46

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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.