Home / 3,312.60-4,935.19-3,155.86

Finding the Fourth Proportional to 3,312.60, 4,935.19 and 3,155.86

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Solution

The fourth proportional to 3,312.60, 4,935.19 and 3,155.86 is: 4,701.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.60 : 4,935.19 = 3,155.86 : x
  2. Step 2: Convert to fraction form
    3,312.60/4,935.19 = 3,155.86/x
  3. Step 3: Cross multiply
    3,312.60x = 4,935.19 × 3,155.86
  4. Step 4: Simplify right side
    3,312.60x = 15,574,768.71
  5. Step 5: Solve for x
    x = 15,574,768.71/3,312.60
  6. Step 6: Final answer
    x = 4,701.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.