Home / 1,477.07-2,036.67-1,103.42

Finding the Fourth Proportional to 1,477.07, 2,036.67 and 1,103.42

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Solution

The fourth proportional to 1,477.07, 2,036.67 and 1,103.42 is: 1,521.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.07 : 2,036.67 = 1,103.42 : x
  2. Step 2: Convert to fraction form
    1,477.07/2,036.67 = 1,103.42/x
  3. Step 3: Cross multiply
    1,477.07x = 2,036.67 × 1,103.42
  4. Step 4: Simplify right side
    1,477.07x = 2,247,302.41
  5. Step 5: Solve for x
    x = 2,247,302.41/1,477.07
  6. Step 6: Final answer
    x = 1,521.46

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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.