Home / 1,529.85-2,303.10-1,393.77

Finding the Fourth Proportional to 1,529.85, 2,303.10 and 1,393.77

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Solution

The fourth proportional to 1,529.85, 2,303.10 and 1,393.77 is: 2,098.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.85 : 2,303.10 = 1,393.77 : x
  2. Step 2: Convert to fraction form
    1,529.85/2,303.10 = 1,393.77/x
  3. Step 3: Cross multiply
    1,529.85x = 2,303.10 × 1,393.77
  4. Step 4: Simplify right side
    1,529.85x = 3,209,991.69
  5. Step 5: Solve for x
    x = 3,209,991.69/1,529.85
  6. Step 6: Final answer
    x = 2,098.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.