Home / 2,847.90-4,271.61-973.63

Finding the Fourth Proportional to 2,847.90, 4,271.61 and 973.63

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Solution

The fourth proportional to 2,847.90, 4,271.61 and 973.63 is: 1,460.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.90 : 4,271.61 = 973.63 : x
  2. Step 2: Convert to fraction form
    2,847.90/4,271.61 = 973.63/x
  3. Step 3: Cross multiply
    2,847.90x = 4,271.61 × 973.63
  4. Step 4: Simplify right side
    2,847.90x = 4,158,967.64
  5. Step 5: Solve for x
    x = 4,158,967.64/2,847.90
  6. Step 6: Final answer
    x = 1,460.36

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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.