Home / 2,005.44-2,993.28-1,681.92

Finding the Fourth Proportional to 2,005.44, 2,993.28 and 1,681.92

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Solution

The fourth proportional to 2,005.44, 2,993.28 and 1,681.92 is: 2,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005.44 : 2,993.28 = 1,681.92 : x
  2. Step 2: Convert to fraction form
    2,005.44/2,993.28 = 1,681.92/x
  3. Step 3: Cross multiply
    2,005.44x = 2,993.28 × 1,681.92
  4. Step 4: Simplify right side
    2,005.44x = 5,034,457.50
  5. Step 5: Solve for x
    x = 5,034,457.50/2,005.44
  6. Step 6: Final answer
    x = 2,510.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.