Home / 1,417.51-1,955.62-1,045.37

Finding the Fourth Proportional to 1,417.51, 1,955.62 and 1,045.37

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Solution

The fourth proportional to 1,417.51, 1,955.62 and 1,045.37 is: 1,442.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.51 : 1,955.62 = 1,045.37 : x
  2. Step 2: Convert to fraction form
    1,417.51/1,955.62 = 1,045.37/x
  3. Step 3: Cross multiply
    1,417.51x = 1,955.62 × 1,045.37
  4. Step 4: Simplify right side
    1,417.51x = 2,044,346.48
  5. Step 5: Solve for x
    x = 2,044,346.48/1,417.51
  6. Step 6: Final answer
    x = 1,442.21

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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.