Home / 2,187.33-3,017.28-1,303.08

Finding the Fourth Proportional to 2,187.33, 3,017.28 and 1,303.08

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Solution

The fourth proportional to 2,187.33, 3,017.28 and 1,303.08 is: 1,797.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.33 : 3,017.28 = 1,303.08 : x
  2. Step 2: Convert to fraction form
    2,187.33/3,017.28 = 1,303.08/x
  3. Step 3: Cross multiply
    2,187.33x = 3,017.28 × 1,303.08
  4. Step 4: Simplify right side
    2,187.33x = 3,931,757.22
  5. Step 5: Solve for x
    x = 3,931,757.22/2,187.33
  6. Step 6: Final answer
    x = 1,797.51

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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.