Home / 1,567.71-2,161.38-1,302.39

Finding the Fourth Proportional to 1,567.71, 2,161.38 and 1,302.39

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Solution

The fourth proportional to 1,567.71, 2,161.38 and 1,302.39 is: 1,795.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.71 : 2,161.38 = 1,302.39 : x
  2. Step 2: Convert to fraction form
    1,567.71/2,161.38 = 1,302.39/x
  3. Step 3: Cross multiply
    1,567.71x = 2,161.38 × 1,302.39
  4. Step 4: Simplify right side
    1,567.71x = 2,814,959.70
  5. Step 5: Solve for x
    x = 2,814,959.70/1,567.71
  6. Step 6: Final answer
    x = 1,795.59

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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.