Home / 1,877.20-2,813.47-1,056.06

Finding the Fourth Proportional to 1,877.20, 2,813.47 and 1,056.06

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Solution

The fourth proportional to 1,877.20, 2,813.47 and 1,056.06 is: 1,582.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.20 : 2,813.47 = 1,056.06 : x
  2. Step 2: Convert to fraction form
    1,877.20/2,813.47 = 1,056.06/x
  3. Step 3: Cross multiply
    1,877.20x = 2,813.47 × 1,056.06
  4. Step 4: Simplify right side
    1,877.20x = 2,971,193.13
  5. Step 5: Solve for x
    x = 2,971,193.13/1,877.20
  6. Step 6: Final answer
    x = 1,582.78

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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.