Home / 2,681.60-4,018.08-1,653.44

Finding the Fourth Proportional to 2,681.60, 4,018.08 and 1,653.44

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Solution

The fourth proportional to 2,681.60, 4,018.08 and 1,653.44 is: 2,477.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.60 : 4,018.08 = 1,653.44 : x
  2. Step 2: Convert to fraction form
    2,681.60/4,018.08 = 1,653.44/x
  3. Step 3: Cross multiply
    2,681.60x = 4,018.08 × 1,653.44
  4. Step 4: Simplify right side
    2,681.60x = 6,643,654.20
  5. Step 5: Solve for x
    x = 6,643,654.20/2,681.60
  6. Step 6: Final answer
    x = 2,477.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.