Home / 2,521.24-3,480.04-1,637.12

Finding the Fourth Proportional to 2,521.24, 3,480.04 and 1,637.12

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Solution

The fourth proportional to 2,521.24, 3,480.04 and 1,637.12 is: 2,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.24 : 3,480.04 = 1,637.12 : x
  2. Step 2: Convert to fraction form
    2,521.24/3,480.04 = 1,637.12/x
  3. Step 3: Cross multiply
    2,521.24x = 3,480.04 × 1,637.12
  4. Step 4: Simplify right side
    2,521.24x = 5,697,243.08
  5. Step 5: Solve for x
    x = 5,697,243.08/2,521.24
  6. Step 6: Final answer
    x = 2,259.70

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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.