Home / 1,769.10-2,440.13-1,501.70

Finding the Fourth Proportional to 1,769.10, 2,440.13 and 1,501.70

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Solution

The fourth proportional to 1,769.10, 2,440.13 and 1,501.70 is: 2,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.10 : 2,440.13 = 1,501.70 : x
  2. Step 2: Convert to fraction form
    1,769.10/2,440.13 = 1,501.70/x
  3. Step 3: Cross multiply
    1,769.10x = 2,440.13 × 1,501.70
  4. Step 4: Simplify right side
    1,769.10x = 3,664,345.42
  5. Step 5: Solve for x
    x = 3,664,345.42/1,769.10
  6. Step 6: Final answer
    x = 2,071.30

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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.