Home / 2,569.11-3,543.56-1,574.87

Finding the Fourth Proportional to 2,569.11, 3,543.56 and 1,574.87

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Solution

The fourth proportional to 2,569.11, 3,543.56 and 1,574.87 is: 2,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.11 : 3,543.56 = 1,574.87 : x
  2. Step 2: Convert to fraction form
    2,569.11/3,543.56 = 1,574.87/x
  3. Step 3: Cross multiply
    2,569.11x = 3,543.56 × 1,574.87
  4. Step 4: Simplify right side
    2,569.11x = 5,580,646.34
  5. Step 5: Solve for x
    x = 5,580,646.34/2,569.11
  6. Step 6: Final answer
    x = 2,172.21

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1.5x scale

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.