Home / 1,901.40-2,626.45-1,529.77

Finding the Fourth Proportional to 1,901.40, 2,626.45 and 1,529.77

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Solution

The fourth proportional to 1,901.40, 2,626.45 and 1,529.77 is: 2,113.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.40 : 2,626.45 = 1,529.77 : x
  2. Step 2: Convert to fraction form
    1,901.40/2,626.45 = 1,529.77/x
  3. Step 3: Cross multiply
    1,901.40x = 2,626.45 × 1,529.77
  4. Step 4: Simplify right side
    1,901.40x = 4,017,864.42
  5. Step 5: Solve for x
    x = 4,017,864.42/1,901.40
  6. Step 6: Final answer
    x = 2,113.11

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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.