Home / 2,319.48-3,201.48-1,574.69

Finding the Fourth Proportional to 2,319.48, 3,201.48 and 1,574.69

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Solution

The fourth proportional to 2,319.48, 3,201.48 and 1,574.69 is: 2,173.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.48 : 3,201.48 = 1,574.69 : x
  2. Step 2: Convert to fraction form
    2,319.48/3,201.48 = 1,574.69/x
  3. Step 3: Cross multiply
    2,319.48x = 3,201.48 × 1,574.69
  4. Step 4: Simplify right side
    2,319.48x = 5,041,322.53
  5. Step 5: Solve for x
    x = 5,041,322.53/2,319.48
  6. Step 6: Final answer
    x = 2,173.47

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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.