Home / 1,106.13-1,526.45-608.77

Finding the Fourth Proportional to 1,106.13, 1,526.45 and 608.77

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Solution

The fourth proportional to 1,106.13, 1,526.45 and 608.77 is: 840.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106.13 : 1,526.45 = 608.77 : x
  2. Step 2: Convert to fraction form
    1,106.13/1,526.45 = 608.77/x
  3. Step 3: Cross multiply
    1,106.13x = 1,526.45 × 608.77
  4. Step 4: Simplify right side
    1,106.13x = 929,250.11
  5. Step 5: Solve for x
    x = 929,250.11/1,106.13
  6. Step 6: Final answer
    x = 840.09

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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.