Home / 1,574.30-2,172.12-944.48

Finding the Fourth Proportional to 1,574.30, 2,172.12 and 944.48

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Solution

The fourth proportional to 1,574.30, 2,172.12 and 944.48 is: 1,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.30 : 2,172.12 = 944.48 : x
  2. Step 2: Convert to fraction form
    1,574.30/2,172.12 = 944.48/x
  3. Step 3: Cross multiply
    1,574.30x = 2,172.12 × 944.48
  4. Step 4: Simplify right side
    1,574.30x = 2,051,523.90
  5. Step 5: Solve for x
    x = 2,051,523.90/1,574.30
  6. Step 6: Final answer
    x = 1,303.13

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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.