Home / 1,437.09-2,155.70-463.13

Finding the Fourth Proportional to 1,437.09, 2,155.70 and 463.13

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Solution

The fourth proportional to 1,437.09, 2,155.70 and 463.13 is: 694.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.09 : 2,155.70 = 463.13 : x
  2. Step 2: Convert to fraction form
    1,437.09/2,155.70 = 463.13/x
  3. Step 3: Cross multiply
    1,437.09x = 2,155.70 × 463.13
  4. Step 4: Simplify right side
    1,437.09x = 998,369.34
  5. Step 5: Solve for x
    x = 998,369.34/1,437.09
  6. Step 6: Final answer
    x = 694.72

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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.