Home / 2,977.53-4,109.02-1,651.25

Finding the Fourth Proportional to 2,977.53, 4,109.02 and 1,651.25

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Solution

The fourth proportional to 2,977.53, 4,109.02 and 1,651.25 is: 2,278.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.53 : 4,109.02 = 1,651.25 : x
  2. Step 2: Convert to fraction form
    2,977.53/4,109.02 = 1,651.25/x
  3. Step 3: Cross multiply
    2,977.53x = 4,109.02 × 1,651.25
  4. Step 4: Simplify right side
    2,977.53x = 6,785,019.28
  5. Step 5: Solve for x
    x = 6,785,019.28/2,977.53
  6. Step 6: Final answer
    x = 2,278.74

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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.