Home / 3,037.56-4,554.02-1,188.40

Finding the Fourth Proportional to 3,037.56, 4,554.02 and 1,188.40

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Solution

The fourth proportional to 3,037.56, 4,554.02 and 1,188.40 is: 1,781.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.56 : 4,554.02 = 1,188.40 : x
  2. Step 2: Convert to fraction form
    3,037.56/4,554.02 = 1,188.40/x
  3. Step 3: Cross multiply
    3,037.56x = 4,554.02 × 1,188.40
  4. Step 4: Simplify right side
    3,037.56x = 5,411,997.37
  5. Step 5: Solve for x
    x = 5,411,997.37/3,037.56
  6. Step 6: Final answer
    x = 1,781.69

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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.