Home / 1,558.77-2,338.60-1,283.57

Finding the Fourth Proportional to 1,558.77, 2,338.60 and 1,283.57

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Solution

The fourth proportional to 1,558.77, 2,338.60 and 1,283.57 is: 1,925.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.77 : 2,338.60 = 1,283.57 : x
  2. Step 2: Convert to fraction form
    1,558.77/2,338.60 = 1,283.57/x
  3. Step 3: Cross multiply
    1,558.77x = 2,338.60 × 1,283.57
  4. Step 4: Simplify right side
    1,558.77x = 3,001,756.80
  5. Step 5: Solve for x
    x = 3,001,756.80/1,558.77
  6. Step 6: Final answer
    x = 1,925.72

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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.