Home / 1,909.01-2,863.95-1,031.49

Finding the Fourth Proportional to 1,909.01, 2,863.95 and 1,031.49

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Solution

The fourth proportional to 1,909.01, 2,863.95 and 1,031.49 is: 1,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909.01 : 2,863.95 = 1,031.49 : x
  2. Step 2: Convert to fraction form
    1,909.01/2,863.95 = 1,031.49/x
  3. Step 3: Cross multiply
    1,909.01x = 2,863.95 × 1,031.49
  4. Step 4: Simplify right side
    1,909.01x = 2,954,135.79
  5. Step 5: Solve for x
    x = 2,954,135.79/1,909.01
  6. Step 6: Final answer
    x = 1,547.47

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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.