Home / 2,465.30-3,402.18-1,874.78

Finding the Fourth Proportional to 2,465.30, 3,402.18 and 1,874.78

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Solution

The fourth proportional to 2,465.30, 3,402.18 and 1,874.78 is: 2,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465.30 : 3,402.18 = 1,874.78 : x
  2. Step 2: Convert to fraction form
    2,465.30/3,402.18 = 1,874.78/x
  3. Step 3: Cross multiply
    2,465.30x = 3,402.18 × 1,874.78
  4. Step 4: Simplify right side
    2,465.30x = 6,378,339.02
  5. Step 5: Solve for x
    x = 6,378,339.02/2,465.30
  6. Step 6: Final answer
    x = 2,587.25

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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.