Home / 2,530.26-3,490.80-1,535.16

Finding the Fourth Proportional to 2,530.26, 3,490.80 and 1,535.16

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Solution

The fourth proportional to 2,530.26, 3,490.80 and 1,535.16 is: 2,117.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530.26 : 3,490.80 = 1,535.16 : x
  2. Step 2: Convert to fraction form
    2,530.26/3,490.80 = 1,535.16/x
  3. Step 3: Cross multiply
    2,530.26x = 3,490.80 × 1,535.16
  4. Step 4: Simplify right side
    2,530.26x = 5,358,936.53
  5. Step 5: Solve for x
    x = 5,358,936.53/2,530.26
  6. Step 6: Final answer
    x = 2,117.94

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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.