Home / 2,913.14-4,020.36-1,654.40

Finding the Fourth Proportional to 2,913.14, 4,020.36 and 1,654.40

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Solution

The fourth proportional to 2,913.14, 4,020.36 and 1,654.40 is: 2,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.14 : 4,020.36 = 1,654.40 : x
  2. Step 2: Convert to fraction form
    2,913.14/4,020.36 = 1,654.40/x
  3. Step 3: Cross multiply
    2,913.14x = 4,020.36 × 1,654.40
  4. Step 4: Simplify right side
    2,913.14x = 6,651,283.58
  5. Step 5: Solve for x
    x = 6,651,283.58/2,913.14
  6. Step 6: Final answer
    x = 2,283.20

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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.