Home / 2,434.21-3,656.28-2,148.19

Finding the Fourth Proportional to 2,434.21, 3,656.28 and 2,148.19

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Solution

The fourth proportional to 2,434.21, 3,656.28 and 2,148.19 is: 3,226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.21 : 3,656.28 = 2,148.19 : x
  2. Step 2: Convert to fraction form
    2,434.21/3,656.28 = 2,148.19/x
  3. Step 3: Cross multiply
    2,434.21x = 3,656.28 × 2,148.19
  4. Step 4: Simplify right side
    2,434.21x = 7,854,384.13
  5. Step 5: Solve for x
    x = 7,854,384.13/2,434.21
  6. Step 6: Final answer
    x = 3,226.67

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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.