Home / 1,677.43-2,316.36-1,585.36

Finding the Fourth Proportional to 1,677.43, 2,316.36 and 1,585.36

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Solution

The fourth proportional to 1,677.43, 2,316.36 and 1,585.36 is: 2,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.43 : 2,316.36 = 1,585.36 : x
  2. Step 2: Convert to fraction form
    1,677.43/2,316.36 = 1,585.36/x
  3. Step 3: Cross multiply
    1,677.43x = 2,316.36 × 1,585.36
  4. Step 4: Simplify right side
    1,677.43x = 3,672,264.49
  5. Step 5: Solve for x
    x = 3,672,264.49/1,677.43
  6. Step 6: Final answer
    x = 2,189.22

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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.