Home / 1,864.05-2,572.33-1,056.43

Finding the Fourth Proportional to 1,864.05, 2,572.33 and 1,056.43

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Solution

The fourth proportional to 1,864.05, 2,572.33 and 1,056.43 is: 1,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.05 : 2,572.33 = 1,056.43 : x
  2. Step 2: Convert to fraction form
    1,864.05/2,572.33 = 1,056.43/x
  3. Step 3: Cross multiply
    1,864.05x = 2,572.33 × 1,056.43
  4. Step 4: Simplify right side
    1,864.05x = 2,717,486.58
  5. Step 5: Solve for x
    x = 2,717,486.58/1,864.05
  6. Step 6: Final answer
    x = 1,457.84

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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.