Home / 1,535.24-2,302.79-561.35

Finding the Fourth Proportional to 1,535.24, 2,302.79 and 561.35

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Solution

The fourth proportional to 1,535.24, 2,302.79 and 561.35 is: 841.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.24 : 2,302.79 = 561.35 : x
  2. Step 2: Convert to fraction form
    1,535.24/2,302.79 = 561.35/x
  3. Step 3: Cross multiply
    1,535.24x = 2,302.79 × 561.35
  4. Step 4: Simplify right side
    1,535.24x = 1,292,656.85
  5. Step 5: Solve for x
    x = 1,292,656.85/1,535.24
  6. Step 6: Final answer
    x = 841.99

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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.