Home / 2,681.08-4,021.99-926.53

Finding the Fourth Proportional to 2,681.08, 4,021.99 and 926.53

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Solution

The fourth proportional to 2,681.08, 4,021.99 and 926.53 is: 1,389.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.08 : 4,021.99 = 926.53 : x
  2. Step 2: Convert to fraction form
    2,681.08/4,021.99 = 926.53/x
  3. Step 3: Cross multiply
    2,681.08x = 4,021.99 × 926.53
  4. Step 4: Simplify right side
    2,681.08x = 3,726,482.02
  5. Step 5: Solve for x
    x = 3,726,482.02/2,681.08
  6. Step 6: Final answer
    x = 1,389.92

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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.