Home / 1,895.60-2,615.99-1,056.39

Finding the Fourth Proportional to 1,895.60, 2,615.99 and 1,056.39

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Solution

The fourth proportional to 1,895.60, 2,615.99 and 1,056.39 is: 1,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.60 : 2,615.99 = 1,056.39 : x
  2. Step 2: Convert to fraction form
    1,895.60/2,615.99 = 1,056.39/x
  3. Step 3: Cross multiply
    1,895.60x = 2,615.99 × 1,056.39
  4. Step 4: Simplify right side
    1,895.60x = 2,763,500.39
  5. Step 5: Solve for x
    x = 2,763,500.39/1,895.60
  6. Step 6: Final answer
    x = 1,457.85

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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.