Home / 2,434.16-3,358.32-1,385.48

Finding the Fourth Proportional to 2,434.16, 3,358.32 and 1,385.48

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Solution

The fourth proportional to 2,434.16, 3,358.32 and 1,385.48 is: 1,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.16 : 3,358.32 = 1,385.48 : x
  2. Step 2: Convert to fraction form
    2,434.16/3,358.32 = 1,385.48/x
  3. Step 3: Cross multiply
    2,434.16x = 3,358.32 × 1,385.48
  4. Step 4: Simplify right side
    2,434.16x = 4,652,885.19
  5. Step 5: Solve for x
    x = 4,652,885.19/2,434.16
  6. Step 6: Final answer
    x = 1,911.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.