Home / 1,526.76-2,109.18-1,210.98

Finding the Fourth Proportional to 1,526.76, 2,109.18 and 1,210.98

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Solution

The fourth proportional to 1,526.76, 2,109.18 and 1,210.98 is: 1,672.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.76 : 2,109.18 = 1,210.98 : x
  2. Step 2: Convert to fraction form
    1,526.76/2,109.18 = 1,210.98/x
  3. Step 3: Cross multiply
    1,526.76x = 2,109.18 × 1,210.98
  4. Step 4: Simplify right side
    1,526.76x = 2,554,174.80
  5. Step 5: Solve for x
    x = 2,554,174.80/1,526.76
  6. Step 6: Final answer
    x = 1,672.94

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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.