Home / 1,477.04-2,038.50-887.90

Finding the Fourth Proportional to 1,477.04, 2,038.50 and 887.90

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Solution

The fourth proportional to 1,477.04, 2,038.50 and 887.90 is: 1,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.04 : 2,038.50 = 887.90 : x
  2. Step 2: Convert to fraction form
    1,477.04/2,038.50 = 887.90/x
  3. Step 3: Cross multiply
    1,477.04x = 2,038.50 × 887.90
  4. Step 4: Simplify right side
    1,477.04x = 1,809,973.96
  5. Step 5: Solve for x
    x = 1,809,973.96/1,477.04
  6. Step 6: Final answer
    x = 1,225.41

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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.