Home / 1,541.89-2,125.25-1,148.77

Finding the Fourth Proportional to 1,541.89, 2,125.25 and 1,148.77

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Solution

The fourth proportional to 1,541.89, 2,125.25 and 1,148.77 is: 1,583.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.89 : 2,125.25 = 1,148.77 : x
  2. Step 2: Convert to fraction form
    1,541.89/2,125.25 = 1,148.77/x
  3. Step 3: Cross multiply
    1,541.89x = 2,125.25 × 1,148.77
  4. Step 4: Simplify right side
    1,541.89x = 2,441,412.82
  5. Step 5: Solve for x
    x = 2,441,412.82/1,541.89
  6. Step 6: Final answer
    x = 1,583.39

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1.5x scale

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.