Home / 3,366.86-4,646.40-1,874.72

Finding the Fourth Proportional to 3,366.86, 4,646.40 and 1,874.72

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Solution

The fourth proportional to 3,366.86, 4,646.40 and 1,874.72 is: 2,587.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.86 : 4,646.40 = 1,874.72 : x
  2. Step 2: Convert to fraction form
    3,366.86/4,646.40 = 1,874.72/x
  3. Step 3: Cross multiply
    3,366.86x = 4,646.40 × 1,874.72
  4. Step 4: Simplify right side
    3,366.86x = 8,710,699.01
  5. Step 5: Solve for x
    x = 8,710,699.01/3,366.86
  6. Step 6: Final answer
    x = 2,587.19

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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.