Home / 1,637.07-2,442.16-1,519.21

Finding the Fourth Proportional to 1,637.07, 2,442.16 and 1,519.21

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Solution

The fourth proportional to 1,637.07, 2,442.16 and 1,519.21 is: 2,266.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.07 : 2,442.16 = 1,519.21 : x
  2. Step 2: Convert to fraction form
    1,637.07/2,442.16 = 1,519.21/x
  3. Step 3: Cross multiply
    1,637.07x = 2,442.16 × 1,519.21
  4. Step 4: Simplify right side
    1,637.07x = 3,710,153.89
  5. Step 5: Solve for x
    x = 3,710,153.89/1,637.07
  6. Step 6: Final answer
    x = 2,266.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.