Home / 1,561.91-2,341.33-1,270.01

Finding the Fourth Proportional to 1,561.91, 2,341.33 and 1,270.01

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Solution

The fourth proportional to 1,561.91, 2,341.33 and 1,270.01 is: 1,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561.91 : 2,341.33 = 1,270.01 : x
  2. Step 2: Convert to fraction form
    1,561.91/2,341.33 = 1,270.01/x
  3. Step 3: Cross multiply
    1,561.91x = 2,341.33 × 1,270.01
  4. Step 4: Simplify right side
    1,561.91x = 2,973,515.19
  5. Step 5: Solve for x
    x = 2,973,515.19/1,561.91
  6. Step 6: Final answer
    x = 1,903.77

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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.