Home / 2,318.48-3,478.36-1,001.55

Finding the Fourth Proportional to 2,318.48, 3,478.36 and 1,001.55

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Solution

The fourth proportional to 2,318.48, 3,478.36 and 1,001.55 is: 1,502.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.48 : 3,478.36 = 1,001.55 : x
  2. Step 2: Convert to fraction form
    2,318.48/3,478.36 = 1,001.55/x
  3. Step 3: Cross multiply
    2,318.48x = 3,478.36 × 1,001.55
  4. Step 4: Simplify right side
    2,318.48x = 3,483,751.46
  5. Step 5: Solve for x
    x = 3,483,751.46/2,318.48
  6. Step 6: Final answer
    x = 1,502.60

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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.