Home / 1,847.64-2,756.27-1,715.05

Finding the Fourth Proportional to 1,847.64, 2,756.27 and 1,715.05

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Solution

The fourth proportional to 1,847.64, 2,756.27 and 1,715.05 is: 2,558.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.64 : 2,756.27 = 1,715.05 : x
  2. Step 2: Convert to fraction form
    1,847.64/2,756.27 = 1,715.05/x
  3. Step 3: Cross multiply
    1,847.64x = 2,756.27 × 1,715.05
  4. Step 4: Simplify right side
    1,847.64x = 4,727,140.86
  5. Step 5: Solve for x
    x = 4,727,140.86/1,847.64
  6. Step 6: Final answer
    x = 2,558.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.