Home / 1,897.13-2,855.01-1,570.70

Finding the Fourth Proportional to 1,897.13, 2,855.01 and 1,570.70

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Solution

The fourth proportional to 1,897.13, 2,855.01 and 1,570.70 is: 2,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.13 : 2,855.01 = 1,570.70 : x
  2. Step 2: Convert to fraction form
    1,897.13/2,855.01 = 1,570.70/x
  3. Step 3: Cross multiply
    1,897.13x = 2,855.01 × 1,570.70
  4. Step 4: Simplify right side
    1,897.13x = 4,484,364.21
  5. Step 5: Solve for x
    x = 4,484,364.21/1,897.13
  6. Step 6: Final answer
    x = 2,363.76

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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.