Home / 1,897.10-2,616.65-1,543.04

Finding the Fourth Proportional to 1,897.10, 2,616.65 and 1,543.04

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Solution

The fourth proportional to 1,897.10, 2,616.65 and 1,543.04 is: 2,128.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.10 : 2,616.65 = 1,543.04 : x
  2. Step 2: Convert to fraction form
    1,897.10/2,616.65 = 1,543.04/x
  3. Step 3: Cross multiply
    1,897.10x = 2,616.65 × 1,543.04
  4. Step 4: Simplify right side
    1,897.10x = 4,037,574.82
  5. Step 5: Solve for x
    x = 4,037,574.82/1,897.10
  6. Step 6: Final answer
    x = 2,128.29

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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.