Home / 3,636.02-5,454.23-1,038.75

Finding the Fourth Proportional to 3,636.02, 5,454.23 and 1,038.75

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Solution

The fourth proportional to 3,636.02, 5,454.23 and 1,038.75 is: 1,558.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.02 : 5,454.23 = 1,038.75 : x
  2. Step 2: Convert to fraction form
    3,636.02/5,454.23 = 1,038.75/x
  3. Step 3: Cross multiply
    3,636.02x = 5,454.23 × 1,038.75
  4. Step 4: Simplify right side
    3,636.02x = 5,665,581.41
  5. Step 5: Solve for x
    x = 5,665,581.41/3,636.02
  6. Step 6: Final answer
    x = 1,558.18

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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.