Home / 1,848.45-2,551.55-1,149.69

Finding the Fourth Proportional to 1,848.45, 2,551.55 and 1,149.69

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Solution

The fourth proportional to 1,848.45, 2,551.55 and 1,149.69 is: 1,587.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.45 : 2,551.55 = 1,149.69 : x
  2. Step 2: Convert to fraction form
    1,848.45/2,551.55 = 1,149.69/x
  3. Step 3: Cross multiply
    1,848.45x = 2,551.55 × 1,149.69
  4. Step 4: Simplify right side
    1,848.45x = 2,933,491.52
  5. Step 5: Solve for x
    x = 2,933,491.52/1,848.45
  6. Step 6: Final answer
    x = 1,587.00

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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.