Home / 2,148.10-2,964.81-1,402.18

Finding the Fourth Proportional to 2,148.10, 2,964.81 and 1,402.18

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Solution

The fourth proportional to 2,148.10, 2,964.81 and 1,402.18 is: 1,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.10 : 2,964.81 = 1,402.18 : x
  2. Step 2: Convert to fraction form
    2,148.10/2,964.81 = 1,402.18/x
  3. Step 3: Cross multiply
    2,148.10x = 2,964.81 × 1,402.18
  4. Step 4: Simplify right side
    2,148.10x = 4,157,197.29
  5. Step 5: Solve for x
    x = 4,157,197.29/2,148.10
  6. Step 6: Final answer
    x = 1,935.29

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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.