Home / 1,669.72-2,504.59-437.13

Finding the Fourth Proportional to 1,669.72, 2,504.59 and 437.13

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Solution

The fourth proportional to 1,669.72, 2,504.59 and 437.13 is: 655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.72 : 2,504.59 = 437.13 : x
  2. Step 2: Convert to fraction form
    1,669.72/2,504.59 = 437.13/x
  3. Step 3: Cross multiply
    1,669.72x = 2,504.59 × 437.13
  4. Step 4: Simplify right side
    1,669.72x = 1,094,830.33
  5. Step 5: Solve for x
    x = 1,094,830.33/1,669.72
  6. Step 6: Final answer
    x = 655.70

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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.