Home / 1,637.73-2,259.67-1,107.60

Finding the Fourth Proportional to 1,637.73, 2,259.67 and 1,107.60

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Solution

The fourth proportional to 1,637.73, 2,259.67 and 1,107.60 is: 1,528.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.73 : 2,259.67 = 1,107.60 : x
  2. Step 2: Convert to fraction form
    1,637.73/2,259.67 = 1,107.60/x
  3. Step 3: Cross multiply
    1,637.73x = 2,259.67 × 1,107.60
  4. Step 4: Simplify right side
    1,637.73x = 2,502,810.49
  5. Step 5: Solve for x
    x = 2,502,810.49/1,637.73
  6. Step 6: Final answer
    x = 1,528.22

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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.