Home / 2,923.42-4,385.87-975.66

Finding the Fourth Proportional to 2,923.42, 4,385.87 and 975.66

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Solution

The fourth proportional to 2,923.42, 4,385.87 and 975.66 is: 1,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.42 : 4,385.87 = 975.66 : x
  2. Step 2: Convert to fraction form
    2,923.42/4,385.87 = 975.66/x
  3. Step 3: Cross multiply
    2,923.42x = 4,385.87 × 975.66
  4. Step 4: Simplify right side
    2,923.42x = 4,279,117.92
  5. Step 5: Solve for x
    x = 4,279,117.92/2,923.42
  6. Step 6: Final answer
    x = 1,463.74

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1.5x scale

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.