Home / 2,385.77-3,292.18-1,337.63

Finding the Fourth Proportional to 2,385.77, 3,292.18 and 1,337.63

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Solution

The fourth proportional to 2,385.77, 3,292.18 and 1,337.63 is: 1,845.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.77 : 3,292.18 = 1,337.63 : x
  2. Step 2: Convert to fraction form
    2,385.77/3,292.18 = 1,337.63/x
  3. Step 3: Cross multiply
    2,385.77x = 3,292.18 × 1,337.63
  4. Step 4: Simplify right side
    2,385.77x = 4,403,698.93
  5. Step 5: Solve for x
    x = 4,403,698.93/2,385.77
  6. Step 6: Final answer
    x = 1,845.82

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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.