Home / 1,705.65-2,352.40-1,472.37

Finding the Fourth Proportional to 1,705.65, 2,352.40 and 1,472.37

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Solution

The fourth proportional to 1,705.65, 2,352.40 and 1,472.37 is: 2,030.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705.65 : 2,352.40 = 1,472.37 : x
  2. Step 2: Convert to fraction form
    1,705.65/2,352.40 = 1,472.37/x
  3. Step 3: Cross multiply
    1,705.65x = 2,352.40 × 1,472.37
  4. Step 4: Simplify right side
    1,705.65x = 3,463,603.19
  5. Step 5: Solve for x
    x = 3,463,603.19/1,705.65
  6. Step 6: Final answer
    x = 2,030.66

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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.