Home / 1,654.56-2,298.60-1,639.35

Finding the Fourth Proportional to 1,654.56, 2,298.60 and 1,639.35

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Solution

The fourth proportional to 1,654.56, 2,298.60 and 1,639.35 is: 2,277.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.56 : 2,298.60 = 1,639.35 : x
  2. Step 2: Convert to fraction form
    1,654.56/2,298.60 = 1,639.35/x
  3. Step 3: Cross multiply
    1,654.56x = 2,298.60 × 1,639.35
  4. Step 4: Simplify right side
    1,654.56x = 3,768,209.91
  5. Step 5: Solve for x
    x = 3,768,209.91/1,654.56
  6. Step 6: Final answer
    x = 2,277.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.