Home / 1,557.27-2,337.36-1,521.63

Finding the Fourth Proportional to 1,557.27, 2,337.36 and 1,521.63

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Solution

The fourth proportional to 1,557.27, 2,337.36 and 1,521.63 is: 2,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.27 : 2,337.36 = 1,521.63 : x
  2. Step 2: Convert to fraction form
    1,557.27/2,337.36 = 1,521.63/x
  3. Step 3: Cross multiply
    1,557.27x = 2,337.36 × 1,521.63
  4. Step 4: Simplify right side
    1,557.27x = 3,556,597.10
  5. Step 5: Solve for x
    x = 3,556,597.10/1,557.27
  6. Step 6: Final answer
    x = 2,283.87

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1.5x scale

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.