Home / 3,037.28-4,191.42-1,710.92

Finding the Fourth Proportional to 3,037.28, 4,191.42 and 1,710.92

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Solution

The fourth proportional to 3,037.28, 4,191.42 and 1,710.92 is: 2,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.28 : 4,191.42 = 1,710.92 : x
  2. Step 2: Convert to fraction form
    3,037.28/4,191.42 = 1,710.92/x
  3. Step 3: Cross multiply
    3,037.28x = 4,191.42 × 1,710.92
  4. Step 4: Simplify right side
    3,037.28x = 7,171,184.31
  5. Step 5: Solve for x
    x = 7,171,184.31/3,037.28
  6. Step 6: Final answer
    x = 2,361.05

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Half scale
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Double scale
Find fourth proportional to 3,038.28, 4,192.80 and 1,711.92
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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.