Home / 1,809.30-2,496.93-1,012.58

Finding the Fourth Proportional to 1,809.30, 2,496.93 and 1,012.58

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Solution

The fourth proportional to 1,809.30, 2,496.93 and 1,012.58 is: 1,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.30 : 2,496.93 = 1,012.58 : x
  2. Step 2: Convert to fraction form
    1,809.30/2,496.93 = 1,012.58/x
  3. Step 3: Cross multiply
    1,809.30x = 2,496.93 × 1,012.58
  4. Step 4: Simplify right side
    1,809.30x = 2,528,337.67
  5. Step 5: Solve for x
    x = 2,528,337.67/1,809.30
  6. Step 6: Final answer
    x = 1,397.41

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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.