Home / 2,159.08-2,980.26-1,496.81

Finding the Fourth Proportional to 2,159.08, 2,980.26 and 1,496.81

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Solution

The fourth proportional to 2,159.08, 2,980.26 and 1,496.81 is: 2,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.08 : 2,980.26 = 1,496.81 : x
  2. Step 2: Convert to fraction form
    2,159.08/2,980.26 = 1,496.81/x
  3. Step 3: Cross multiply
    2,159.08x = 2,980.26 × 1,496.81
  4. Step 4: Simplify right side
    2,159.08x = 4,460,890.42
  5. Step 5: Solve for x
    x = 4,460,890.42/2,159.08
  6. Step 6: Final answer
    x = 2,066.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.