Home / 2,173.13-3,259.18-1,002.40

Finding the Fourth Proportional to 2,173.13, 3,259.18 and 1,002.40

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Solution

The fourth proportional to 2,173.13, 3,259.18 and 1,002.40 is: 1,503.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.13 : 3,259.18 = 1,002.40 : x
  2. Step 2: Convert to fraction form
    2,173.13/3,259.18 = 1,002.40/x
  3. Step 3: Cross multiply
    2,173.13x = 3,259.18 × 1,002.40
  4. Step 4: Simplify right side
    2,173.13x = 3,266,980.72
  5. Step 5: Solve for x
    x = 3,266,980.72/2,173.13
  6. Step 6: Final answer
    x = 1,503.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.