Home / 2,521.10-3,477.26-1,681.40

Finding the Fourth Proportional to 2,521.10, 3,477.26 and 1,681.40

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Solution

The fourth proportional to 2,521.10, 3,477.26 and 1,681.40 is: 2,319.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.10 : 3,477.26 = 1,681.40 : x
  2. Step 2: Convert to fraction form
    2,521.10/3,477.26 = 1,681.40/x
  3. Step 3: Cross multiply
    2,521.10x = 3,477.26 × 1,681.40
  4. Step 4: Simplify right side
    2,521.10x = 5,846,664.96
  5. Step 5: Solve for x
    x = 5,846,664.96/2,521.10
  6. Step 6: Final answer
    x = 2,319.09

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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.