Home / 2,135.77-2,946.58-1,870.14

Finding the Fourth Proportional to 2,135.77, 2,946.58 and 1,870.14

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Solution

The fourth proportional to 2,135.77, 2,946.58 and 1,870.14 is: 2,580.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.77 : 2,946.58 = 1,870.14 : x
  2. Step 2: Convert to fraction form
    2,135.77/2,946.58 = 1,870.14/x
  3. Step 3: Cross multiply
    2,135.77x = 2,946.58 × 1,870.14
  4. Step 4: Simplify right side
    2,135.77x = 5,510,506.92
  5. Step 5: Solve for x
    x = 5,510,506.92/2,135.77
  6. Step 6: Final answer
    x = 2,580.11

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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.