Home / 2,642.10-3,944.40-2,350.50

Finding the Fourth Proportional to 2,642.10, 3,944.40 and 2,350.50

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Solution

The fourth proportional to 2,642.10, 3,944.40 and 2,350.50 is: 3,509.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.10 : 3,944.40 = 2,350.50 : x
  2. Step 2: Convert to fraction form
    2,642.10/3,944.40 = 2,350.50/x
  3. Step 3: Cross multiply
    2,642.10x = 3,944.40 × 2,350.50
  4. Step 4: Simplify right side
    2,642.10x = 9,271,312.20
  5. Step 5: Solve for x
    x = 9,271,312.20/2,642.10
  6. Step 6: Final answer
    x = 3,509.07

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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.