Home / 2,847.40-4,271.10-1,925.80

Finding the Fourth Proportional to 2,847.40, 4,271.10 and 1,925.80

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Solution

The fourth proportional to 2,847.40, 4,271.10 and 1,925.80 is: 2,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.40 : 4,271.10 = 1,925.80 : x
  2. Step 2: Convert to fraction form
    2,847.40/4,271.10 = 1,925.80/x
  3. Step 3: Cross multiply
    2,847.40x = 4,271.10 × 1,925.80
  4. Step 4: Simplify right side
    2,847.40x = 8,225,284.38
  5. Step 5: Solve for x
    x = 8,225,284.38/2,847.40
  6. Step 6: Final answer
    x = 2,888.70

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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.