Home / 1,881.90-2,595.38-1,252.40

Finding the Fourth Proportional to 1,881.90, 2,595.38 and 1,252.40

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Solution

The fourth proportional to 1,881.90, 2,595.38 and 1,252.40 is: 1,727.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.90 : 2,595.38 = 1,252.40 : x
  2. Step 2: Convert to fraction form
    1,881.90/2,595.38 = 1,252.40/x
  3. Step 3: Cross multiply
    1,881.90x = 2,595.38 × 1,252.40
  4. Step 4: Simplify right side
    1,881.90x = 3,250,434.67
  5. Step 5: Solve for x
    x = 3,250,434.67/1,881.90
  6. Step 6: Final answer
    x = 1,727.21

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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.