Home / 1,437.30-2,141.28-1,366.20

Finding the Fourth Proportional to 1,437.30, 2,141.28 and 1,366.20

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Solution

The fourth proportional to 1,437.30, 2,141.28 and 1,366.20 is: 2,035.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.30 : 2,141.28 = 1,366.20 : x
  2. Step 2: Convert to fraction form
    1,437.30/2,141.28 = 1,366.20/x
  3. Step 3: Cross multiply
    1,437.30x = 2,141.28 × 1,366.20
  4. Step 4: Simplify right side
    1,437.30x = 2,925,416.74
  5. Step 5: Solve for x
    x = 2,925,416.74/1,437.30
  6. Step 6: Final answer
    x = 2,035.36

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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.