Home / 3,535.60-4,880.28-2,487.92

Finding the Fourth Proportional to 3,535.60, 4,880.28 and 2,487.92

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Solution

The fourth proportional to 3,535.60, 4,880.28 and 2,487.92 is: 3,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.60 : 4,880.28 = 2,487.92 : x
  2. Step 2: Convert to fraction form
    3,535.60/4,880.28 = 2,487.92/x
  3. Step 3: Cross multiply
    3,535.60x = 4,880.28 × 2,487.92
  4. Step 4: Simplify right side
    3,535.60x = 12,141,746.22
  5. Step 5: Solve for x
    x = 12,141,746.22/3,535.60
  6. Step 6: Final answer
    x = 3,434.14

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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.