Home / 2,535.86-3,802.80-1,218.76

Finding the Fourth Proportional to 2,535.86, 3,802.80 and 1,218.76

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Solution

The fourth proportional to 2,535.86, 3,802.80 and 1,218.76 is: 1,827.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,535.86 : 3,802.80 = 1,218.76 : x
  2. Step 2: Convert to fraction form
    2,535.86/3,802.80 = 1,218.76/x
  3. Step 3: Cross multiply
    2,535.86x = 3,802.80 × 1,218.76
  4. Step 4: Simplify right side
    2,535.86x = 4,634,700.53
  5. Step 5: Solve for x
    x = 4,634,700.53/2,535.86
  6. Step 6: Final answer
    x = 1,827.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.