Home / 1,509.06-2,263.80-469.16

Finding the Fourth Proportional to 1,509.06, 2,263.80 and 469.16

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Solution

The fourth proportional to 1,509.06, 2,263.80 and 469.16 is: 703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.06 : 2,263.80 = 469.16 : x
  2. Step 2: Convert to fraction form
    1,509.06/2,263.80 = 469.16/x
  3. Step 3: Cross multiply
    1,509.06x = 2,263.80 × 469.16
  4. Step 4: Simplify right side
    1,509.06x = 1,062,073.09
  5. Step 5: Solve for x
    x = 1,062,073.09/1,509.06
  6. Step 6: Final answer
    x = 703.80

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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.