Home / 3,683.60-5,079.72-3,264.08

Finding the Fourth Proportional to 3,683.60, 5,079.72 and 3,264.08

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Solution

The fourth proportional to 3,683.60, 5,079.72 and 3,264.08 is: 4,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.60 : 5,079.72 = 3,264.08 : x
  2. Step 2: Convert to fraction form
    3,683.60/5,079.72 = 3,264.08/x
  3. Step 3: Cross multiply
    3,683.60x = 5,079.72 × 3,264.08
  4. Step 4: Simplify right side
    3,683.60x = 16,580,612.46
  5. Step 5: Solve for x
    x = 16,580,612.46/3,683.60
  6. Step 6: Final answer
    x = 4,501.20

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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.