Home / 1,577.56-2,364.54-1,395.40

Finding the Fourth Proportional to 1,577.56, 2,364.54 and 1,395.40

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Solution

The fourth proportional to 1,577.56, 2,364.54 and 1,395.40 is: 2,091.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577.56 : 2,364.54 = 1,395.40 : x
  2. Step 2: Convert to fraction form
    1,577.56/2,364.54 = 1,395.40/x
  3. Step 3: Cross multiply
    1,577.56x = 2,364.54 × 1,395.40
  4. Step 4: Simplify right side
    1,577.56x = 3,299,479.12
  5. Step 5: Solve for x
    x = 3,299,479.12/1,577.56
  6. Step 6: Final answer
    x = 2,091.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.