Home / 1,595.85-2,390.59-1,247.45

Finding the Fourth Proportional to 1,595.85, 2,390.59 and 1,247.45

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Solution

The fourth proportional to 1,595.85, 2,390.59 and 1,247.45 is: 1,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.85 : 2,390.59 = 1,247.45 : x
  2. Step 2: Convert to fraction form
    1,595.85/2,390.59 = 1,247.45/x
  3. Step 3: Cross multiply
    1,595.85x = 2,390.59 × 1,247.45
  4. Step 4: Simplify right side
    1,595.85x = 2,982,135.26
  5. Step 5: Solve for x
    x = 2,982,135.26/1,595.85
  6. Step 6: Final answer
    x = 1,868.68

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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.