Home / 1,437.52-2,145.25-1,214.32

Finding the Fourth Proportional to 1,437.52, 2,145.25 and 1,214.32

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Solution

The fourth proportional to 1,437.52, 2,145.25 and 1,214.32 is: 1,812.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.52 : 2,145.25 = 1,214.32 : x
  2. Step 2: Convert to fraction form
    1,437.52/2,145.25 = 1,214.32/x
  3. Step 3: Cross multiply
    1,437.52x = 2,145.25 × 1,214.32
  4. Step 4: Simplify right side
    1,437.52x = 2,605,019.98
  5. Step 5: Solve for x
    x = 2,605,019.98/1,437.52
  6. Step 6: Final answer
    x = 1,812.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.