Home / 1,569.10-2,350.95-745.60

Finding the Fourth Proportional to 1,569.10, 2,350.95 and 745.60

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Solution

The fourth proportional to 1,569.10, 2,350.95 and 745.60 is: 1,117.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.10 : 2,350.95 = 745.60 : x
  2. Step 2: Convert to fraction form
    1,569.10/2,350.95 = 745.60/x
  3. Step 3: Cross multiply
    1,569.10x = 2,350.95 × 745.60
  4. Step 4: Simplify right side
    1,569.10x = 1,752,868.32
  5. Step 5: Solve for x
    x = 1,752,868.32/1,569.10
  6. Step 6: Final answer
    x = 1,117.12

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1.5x scale

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.