Home / 1,544.90-2,130.29-1,102.62

Finding the Fourth Proportional to 1,544.90, 2,130.29 and 1,102.62

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Solution

The fourth proportional to 1,544.90, 2,130.29 and 1,102.62 is: 1,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.90 : 2,130.29 = 1,102.62 : x
  2. Step 2: Convert to fraction form
    1,544.90/2,130.29 = 1,102.62/x
  3. Step 3: Cross multiply
    1,544.90x = 2,130.29 × 1,102.62
  4. Step 4: Simplify right side
    1,544.90x = 2,348,900.36
  5. Step 5: Solve for x
    x = 2,348,900.36/1,544.90
  6. Step 6: Final answer
    x = 1,520.42

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1.5x scale

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.