Home / 2,557.56-3,521.16-1,770.24

Finding the Fourth Proportional to 2,557.56, 3,521.16 and 1,770.24

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Solution

The fourth proportional to 2,557.56, 3,521.16 and 1,770.24 is: 2,437.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.56 : 3,521.16 = 1,770.24 : x
  2. Step 2: Convert to fraction form
    2,557.56/3,521.16 = 1,770.24/x
  3. Step 3: Cross multiply
    2,557.56x = 3,521.16 × 1,770.24
  4. Step 4: Simplify right side
    2,557.56x = 6,233,298.28
  5. Step 5: Solve for x
    x = 6,233,298.28/2,557.56
  6. Step 6: Final answer
    x = 2,437.21

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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.