Home / 1,460.84-2,015.70-1,386.96

Finding the Fourth Proportional to 1,460.84, 2,015.70 and 1,386.96

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Solution

The fourth proportional to 1,460.84, 2,015.70 and 1,386.96 is: 1,913.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.84 : 2,015.70 = 1,386.96 : x
  2. Step 2: Convert to fraction form
    1,460.84/2,015.70 = 1,386.96/x
  3. Step 3: Cross multiply
    1,460.84x = 2,015.70 × 1,386.96
  4. Step 4: Simplify right side
    1,460.84x = 2,795,695.27
  5. Step 5: Solve for x
    x = 2,795,695.27/1,460.84
  6. Step 6: Final answer
    x = 1,913.77

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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.