Home / 3,779.60-5,210.08-2,658.76

Finding the Fourth Proportional to 3,779.60, 5,210.08 and 2,658.76

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Solution

The fourth proportional to 3,779.60, 5,210.08 and 2,658.76 is: 3,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.60 : 5,210.08 = 2,658.76 : x
  2. Step 2: Convert to fraction form
    3,779.60/5,210.08 = 2,658.76/x
  3. Step 3: Cross multiply
    3,779.60x = 5,210.08 × 2,658.76
  4. Step 4: Simplify right side
    3,779.60x = 13,852,332.63
  5. Step 5: Solve for x
    x = 13,852,332.63/3,779.60
  6. Step 6: Final answer
    x = 3,665.03

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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.