Home / 1,774.85-2,431.55-1,708.35

Finding the Fourth Proportional to 1,774.85, 2,431.55 and 1,708.35

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Solution

The fourth proportional to 1,774.85, 2,431.55 and 1,708.35 is: 2,340.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.85 : 2,431.55 = 1,708.35 : x
  2. Step 2: Convert to fraction form
    1,774.85/2,431.55 = 1,708.35/x
  3. Step 3: Cross multiply
    1,774.85x = 2,431.55 × 1,708.35
  4. Step 4: Simplify right side
    1,774.85x = 4,153,942.71
  5. Step 5: Solve for x
    x = 4,153,942.71/1,774.85
  6. Step 6: Final answer
    x = 2,340.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.