Home / 1,407.46-2,110.99-433.48

Finding the Fourth Proportional to 1,407.46, 2,110.99 and 433.48

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Solution

The fourth proportional to 1,407.46, 2,110.99 and 433.48 is: 650.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407.46 : 2,110.99 = 433.48 : x
  2. Step 2: Convert to fraction form
    1,407.46/2,110.99 = 433.48/x
  3. Step 3: Cross multiply
    1,407.46x = 2,110.99 × 433.48
  4. Step 4: Simplify right side
    1,407.46x = 915,071.95
  5. Step 5: Solve for x
    x = 915,071.95/1,407.46
  6. Step 6: Final answer
    x = 650.16

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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.