Home / 1,636.10-2,259.48-1,306.68

Finding the Fourth Proportional to 1,636.10, 2,259.48 and 1,306.68

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Solution

The fourth proportional to 1,636.10, 2,259.48 and 1,306.68 is: 1,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.10 : 2,259.48 = 1,306.68 : x
  2. Step 2: Convert to fraction form
    1,636.10/2,259.48 = 1,306.68/x
  3. Step 3: Cross multiply
    1,636.10x = 2,259.48 × 1,306.68
  4. Step 4: Simplify right side
    1,636.10x = 2,952,417.33
  5. Step 5: Solve for x
    x = 2,952,417.33/1,636.10
  6. Step 6: Final answer
    x = 1,804.55

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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.