Home / 2,565.19-3,827.65-2,408.45

Finding the Fourth Proportional to 2,565.19, 3,827.65 and 2,408.45

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Solution

The fourth proportional to 2,565.19, 3,827.65 and 2,408.45 is: 3,593.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.19 : 3,827.65 = 2,408.45 : x
  2. Step 2: Convert to fraction form
    2,565.19/3,827.65 = 2,408.45/x
  3. Step 3: Cross multiply
    2,565.19x = 3,827.65 × 2,408.45
  4. Step 4: Simplify right side
    2,565.19x = 9,218,703.64
  5. Step 5: Solve for x
    x = 9,218,703.64/2,565.19
  6. Step 6: Final answer
    x = 3,593.77

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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.