Home / 1,368.60-2,047.36-1,058.08

Finding the Fourth Proportional to 1,368.60, 2,047.36 and 1,058.08

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Solution

The fourth proportional to 1,368.60, 2,047.36 and 1,058.08 is: 1,582.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368.60 : 2,047.36 = 1,058.08 : x
  2. Step 2: Convert to fraction form
    1,368.60/2,047.36 = 1,058.08/x
  3. Step 3: Cross multiply
    1,368.60x = 2,047.36 × 1,058.08
  4. Step 4: Simplify right side
    1,368.60x = 2,166,270.67
  5. Step 5: Solve for x
    x = 2,166,270.67/1,368.60
  6. Step 6: Final answer
    x = 1,582.84

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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.