Home / 1,560.04-2,152.77-887.76

Finding the Fourth Proportional to 1,560.04, 2,152.77 and 887.76

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Solution

The fourth proportional to 1,560.04, 2,152.77 and 887.76 is: 1,225.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.04 : 2,152.77 = 887.76 : x
  2. Step 2: Convert to fraction form
    1,560.04/2,152.77 = 887.76/x
  3. Step 3: Cross multiply
    1,560.04x = 2,152.77 × 887.76
  4. Step 4: Simplify right side
    1,560.04x = 1,911,143.10
  5. Step 5: Solve for x
    x = 1,911,143.10/1,560.04
  6. Step 6: Final answer
    x = 1,225.06

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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.