Home / 2,062.80-2,845.68-1,502.40

Finding the Fourth Proportional to 2,062.80, 2,845.68 and 1,502.40

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Solution

The fourth proportional to 2,062.80, 2,845.68 and 1,502.40 is: 2,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,062.80 : 2,845.68 = 1,502.40 : x
  2. Step 2: Convert to fraction form
    2,062.80/2,845.68 = 1,502.40/x
  3. Step 3: Cross multiply
    2,062.80x = 2,845.68 × 1,502.40
  4. Step 4: Simplify right side
    2,062.80x = 4,275,349.63
  5. Step 5: Solve for x
    x = 4,275,349.63/2,062.80
  6. Step 6: Final answer
    x = 2,072.60

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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.