Home / 2,925.60-4,037.76-1,880.70

Finding the Fourth Proportional to 2,925.60, 4,037.76 and 1,880.70

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Solution

The fourth proportional to 2,925.60, 4,037.76 and 1,880.70 is: 2,595.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.60 : 4,037.76 = 1,880.70 : x
  2. Step 2: Convert to fraction form
    2,925.60/4,037.76 = 1,880.70/x
  3. Step 3: Cross multiply
    2,925.60x = 4,037.76 × 1,880.70
  4. Step 4: Simplify right side
    2,925.60x = 7,593,815.23
  5. Step 5: Solve for x
    x = 7,593,815.23/2,925.60
  6. Step 6: Final answer
    x = 2,595.64

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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.