Home / 1,455.42-2,009.44-1,061.76

Finding the Fourth Proportional to 1,455.42, 2,009.44 and 1,061.76

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Solution

The fourth proportional to 1,455.42, 2,009.44 and 1,061.76 is: 1,465.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.42 : 2,009.44 = 1,061.76 : x
  2. Step 2: Convert to fraction form
    1,455.42/2,009.44 = 1,061.76/x
  3. Step 3: Cross multiply
    1,455.42x = 2,009.44 × 1,061.76
  4. Step 4: Simplify right side
    1,455.42x = 2,133,543.01
  5. Step 5: Solve for x
    x = 2,133,543.01/1,455.42
  6. Step 6: Final answer
    x = 1,465.93

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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.