Home / 2,623.12-3,621.40-1,740.12

Finding the Fourth Proportional to 2,623.12, 3,621.40 and 1,740.12

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Solution

The fourth proportional to 2,623.12, 3,621.40 and 1,740.12 is: 2,402.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.12 : 3,621.40 = 1,740.12 : x
  2. Step 2: Convert to fraction form
    2,623.12/3,621.40 = 1,740.12/x
  3. Step 3: Cross multiply
    2,623.12x = 3,621.40 × 1,740.12
  4. Step 4: Simplify right side
    2,623.12x = 6,301,670.57
  5. Step 5: Solve for x
    x = 6,301,670.57/2,623.12
  6. Step 6: Final answer
    x = 2,402.36

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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.