Home / 3,124.93-4,312.35-1,708.66

Finding the Fourth Proportional to 3,124.93, 4,312.35 and 1,708.66

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Solution

The fourth proportional to 3,124.93, 4,312.35 and 1,708.66 is: 2,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.93 : 4,312.35 = 1,708.66 : x
  2. Step 2: Convert to fraction form
    3,124.93/4,312.35 = 1,708.66/x
  3. Step 3: Cross multiply
    3,124.93x = 4,312.35 × 1,708.66
  4. Step 4: Simplify right side
    3,124.93x = 7,368,339.95
  5. Step 5: Solve for x
    x = 7,368,339.95/3,124.93
  6. Step 6: Final answer
    x = 2,357.92

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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.