Home / 1,418.55-2,135.35-1,010.51

Finding the Fourth Proportional to 1,418.55, 2,135.35 and 1,010.51

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Solution

The fourth proportional to 1,418.55, 2,135.35 and 1,010.51 is: 1,521.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.55 : 2,135.35 = 1,010.51 : x
  2. Step 2: Convert to fraction form
    1,418.55/2,135.35 = 1,010.51/x
  3. Step 3: Cross multiply
    1,418.55x = 2,135.35 × 1,010.51
  4. Step 4: Simplify right side
    1,418.55x = 2,157,792.53
  5. Step 5: Solve for x
    x = 2,157,792.53/1,418.55
  6. Step 6: Final answer
    x = 1,521.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.