Home / 3,148.94-4,345.45-1,751.70

Finding the Fourth Proportional to 3,148.94, 4,345.45 and 1,751.70

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Solution

The fourth proportional to 3,148.94, 4,345.45 and 1,751.70 is: 2,417.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.94 : 4,345.45 = 1,751.70 : x
  2. Step 2: Convert to fraction form
    3,148.94/4,345.45 = 1,751.70/x
  3. Step 3: Cross multiply
    3,148.94x = 4,345.45 × 1,751.70
  4. Step 4: Simplify right side
    3,148.94x = 7,611,924.77
  5. Step 5: Solve for x
    x = 7,611,924.77/3,148.94
  6. Step 6: Final answer
    x = 2,417.30

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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.