Home / 1,670.04-2,501.42-693.18

Finding the Fourth Proportional to 1,670.04, 2,501.42 and 693.18

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Solution

The fourth proportional to 1,670.04, 2,501.42 and 693.18 is: 1,038.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.04 : 2,501.42 = 693.18 : x
  2. Step 2: Convert to fraction form
    1,670.04/2,501.42 = 693.18/x
  3. Step 3: Cross multiply
    1,670.04x = 2,501.42 × 693.18
  4. Step 4: Simplify right side
    1,670.04x = 1,733,930.85
  5. Step 5: Solve for x
    x = 1,733,930.85/1,670.04
  6. Step 6: Final answer
    x = 1,038.26

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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.